The Cape honey bee, a subspecies found along the southern coast of South Africa, reproduces without having sex. Now, scientists have identified the gene responsible for the bee's virgin births.

Some early ichthyosaurs used rounded, pebble-like teeth to crush the shells of snails and clam-like bivalves, according to new research.

The warty comb jelly is native to the western Atlantic, but in recent decades, it has invaded the waters of Eurasia. New research suggests cannibalism is key to the species' ability to move into new environs.

When it came to selecting bones for leather-making tools, Neanderthals were surprisingly choosy. New archaeological analysis shows Neanderthals preferentially selected bovine rib bones to make a tool called a lissoir.

The global COVID-19 pandemic has brought into sharp focus the intersection of U.S. immigration and public health policy, and the unique challenges that immigrants face. This article analyzes the Trump administration’s introduction of some of the most stringent immigration restrictions in modern times, the often disparate fallout of the outbreak on immigrant communities, the status of federal immigration agency operations, and more.

While migration once was a lower-priority topic for African governments, the last decade has seen a deepening in governance. Policymakers have integrated migration into their national development strategies and mainstreamed it across policy domains such as health and education. The actions are promising on paper, yet questions remain about the extent to which they will translate to more effective migration management.

MPI has released a major study that describes and analyzes today’s immigration enforcement programs, as they have developed and grown in the 25 years since IRCA launched the current enforcement era.

Release of a major report that describes and analyzes the immigration enforcement system in the United States as it has developed and grown in the quarter century since the Immigration Reform and Control Act of 1986 launched the current era of enforcement.

A timeline of key immigration laws and policy developments between 1986 and 2013.

This fact sheet offers a detailed review of the comprehensive immigration reform legislation approved by the U.S. Senate in June 2013 and compares its major provisions with those of the five targeted immigration bills approved by the House Judiciary Committee and the House Homeland Security Committee.

MPI experts participate in a video chat shortly after the Migration Policy Institute released an analysis comparing the major provisions of the Senate bill to those of the individual House bills considered to date in House committees. 

This report analyzes how governments ought to best allocate their resources to address the risks associated with migration—the "immigration harms" that undermine the positive economic and social benefits of immigration—including choosing which threats to tackle and where to prioritize enforcement efforts. Immigration policymakers can learn from other public policy regulation efforts to ensure that regulatory actions advance the public interest.

This policy brief traces the successes and failures of the 1986 Immigration Reform and Control Act, which represented the first and most comprehensive legislation to take on the issue of illegal immigration to the United States. The brief makes the case that IRCA's major flaws were rooted in statutory design more than regulatory challenges and implementation by the administrative agencies.

This Transatlantic Council on Migration Statement assesses the continuum of policies needed to disrupt illegal migration-related activities and addresses the conditions that make them possible. It examines the role of migration "bad actors"—human traffickers and unscrupulous employers, among them—who operate and profit in this environment, and considers how governments can deploy resources to discourage their actions.

Testimony of Marc Rosenblum before the Senate Committee on Homeland Security and Governmental Affairs for the March 26, 2015 hearing on the characteristics of unauthorized immigrants in the United States and how to address future flows.

With the growing urbanization and consolidation of Nicaraguan immigrants in sectors such as construction and domestic service, Costa Rica has shifted its focus from immigration enforcement to integration. Tension has emerged between the government and private sector as a new mechanism for regularizing unauthorized immigrant workers has failed to gain traction.

An MPI Leadership Visions discussion with the Foreign Minister of Mexico, Claudia Ruiz-Massieu, for her first public appearance in Washington, DC. 

The Trump administration has released a list of hardline immigration demands—including border wall funding, restrictions on federal grants to “sanctuary” cities, and cuts to legal immigration—in exchange for legislation protecting DREAMers. This article examines the prospects for these proposals and more broadly for a legislative fix to resolve the status of unauthorized immigrants brought to the United States as children.

An unannounced sweep of 98 convenience stores by U.S. immigration authorities—resulting in the arrest of 21 unauthorized workers—may signal a new approach to worksite enforcement under the Trump administration, moving away from a strategy of paper-based audits that resulted in higher employer fines and fewer worker arrests. This article explores worksite enforcement over recent decades.

This provocative discussion showcases Charles Kamasaki's book, Immigration Reform: The Corpse That Will Not Die, and explores the lessons that can be learned from the Immigration Reform and Control Act of 1986, its intended and unintended consequences, and how the law’s legacy has shaped contemporary politics surrounding immigration.

This event marks the launch of a major new initiative—Rethinking U.S. Immigration Policy—that aims to generate a big-picture, evidence-driven vision of the role immigration can and should play in America’s future in order to leverage a comparative advantage for the nation.

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com. ___________________________________________________ Dear Dan, When I host friends for dinner,...

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com. ___________________________________________________ Dear Dan, People in my office drink a...

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com. ___________________________________________________ Hi Dan, I have a hard time watching...

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com. ___________________________________________________ Dear Dan, One of my credit cards bears...

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com. ___________________________________________________ Dear Dan, My partner and I are students,...

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com. ___________________________________________________ Hi, Dan. I offered to purchase a computer...

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com. ___________________________________________________ Dear Dan, I shop at two different grocery...

Hello, join me tomorrow, April 24th at 12pm EST for a live chat about the intersections of behavioral science and the coronavirus pandemic. There will be a live Q&A portion at the end! Here is the event link. See you there!

There are no major changes coming to Britain's current coronavirus lockdown orders anytime soon, a government official said Friday as health officials reported 626 more deaths from COVID-19.

Secretary of State Mike Pompeo plans to travel to Israel next week to meet with Prime Minister Benjamin Netanyahu in his first international trip since coronavirus-related restrictions were put in place.

Presidential press secretary Kayleigh McEnany said Friday the Trump administration is confident in a major economic recovery after several weeks of closures due to the coronavirus pandemic.

The United States' bellwether stock index, the Dow Jones Industrial Average, climbed another 455 points Friday, posting its first weekly gain in three weeks.

Lawmakers in Hong Kong broke out in a scuffle Friday as they fought over who would take control of a committee.

The Navy has been particularly hard hit by the coronavirus pandemic and is working to adapt its strategies for maintenance as well as containing outbreaks on ships.

California Gov. Gavin Newsom on Friday signed an executive order requiring mail-in ballots be sent to all eligible voters for the November election.

A federal judge on Friday declined to dismiss charges filed against Lori Loughlin and 13 others in a national college admissions case based in Massachusetts.

Televangelist Jim Bakker is recovering at his North Carolina home after having a stroke, his wife said Friday.

The USS Montgomery and the USNS Cesar Chavez sailed into the South China Sea this week in support of the West Capella drill ship, according to U.S. Indo-Pacific Command.

Based on the newest forecasting models, AccuWeather forecasters have extended the upper range of hurricanes predicted for the Atlantic hurricane season.

On May 9, 1980, a Liberian freighter rammed a bridge in Florida's Tampa Bay, collapsing part of the span and dropping 35 people to their deaths.

China's President XI jinping offered Saturday to help North Korean leader Kim Jong Un respond to the coronavirus pandemic.

Federal health officials fined a New Jersey nursing home where last month authorities discovered 17 bodies piled in a small morgue.

South Dakota Gov. Kristi Noem has ordered two Sioux tribes to remove checkpoints designed to curb the coronavirus on tribal lands.

The Internal Revenue Service said Wednesday is the last day for Americans to provide their direct deposit information to receive their stimulus checks directly to their bank accounts.

Director Rachel Lee Goldenberg discusses how her "Valley Girl" musical remake puts a twist on the hit music of the '80s.

Google's homepage features arcade classic "Pac-Man" in the latest Doodle.

Ariana Grande and Justin Bieber released their music video for "Stuck With U."

Rupert Grint, who played Ron Weasley in the "Harry Potter" films, welcomed his first child, a daughter, with his girlfriend, Georgia Groome.

Princess Love filed for divorce from Ray J, her husband and "Love & Hip Hop: Hollywood" co-star, after nearly four years of marriage.