There are no rules for Friendsgiving, but it still helps to plan ahead.

Project Chimps creates special meals for rescued chimps on Thanksgiving, and you can see how much they enjoyed it in this video.

The find is roughly 2 billion years older than any other known fungus fossil.

The demise of megalodon coincided with the loss of a third of the largest marine animal species, scientists say.

The 50,000-year-old, perfectly preserved forest is showcased like never before in a newly released documentary.

Archaeologists have uncovered new evidence that could push the date of human habitation in Australia back possibly as far as 80,000 years ago.

While hiking in New Mexico's Las Cruces desert, Jude Sparks tripped over a stegomastodon skull.

Neanderthals might be extinct, but their genes still live on inside of us.

Loving animals may have been passed down genetically from ancestors who appreciated their services.

New research seems to demonstrate that iridium, a rare metal found in meteorites, can kill cancer cells.

The discovery of rare pterosaur eggs is being heralded as one of the most extraordinary discoveries in paleontology.

Learn about the natural world past and present at these outstanding museums

The finding indicates that life on Earth began much earlier than previously thought.

A paper hypothesizes that some of our language skills evolved out of specific cave art features.

The archaeological site is located a mere 900 feet off Manasota Key in Florida.

Hard-working 'apple detectives' in Washington and Idaho rediscovered 5 types of apples thought to be extinct.

New genetic evidence shows that Solenodons survived the asteroid impact that wiped out the dinosaurs.

Covered in a code no one can understand, the Shigir Idol is the oldest wooden structure in the world.

Pools of water on Earth's moon might have teemed with simple organisms.

A new, highly speculative conjecture about the extinction of ancient humans is sure to raise critics' brows.

Based on our mostly destructive history of interacting with isolated cultures, we should stay away.

Fossil finders have ample opportunity to connect with experts through fossil ID days at museums, parks and universities.

The first animal to evolve on Earth was probably a sponge that existed around 640 million years ago.

The find confirms that America's earliest human inhabitants were here much sooner than previously thought.

HIV might never have become a global pandemic if it wasn't for the ecology of what is now known as Kinshasa, and what was then a 1920s colonial hub.

A whole new kingdom will need to be created to classify Hemimastix kukwesjijk, the organisms found in a random dirt sample.

Elasmotherium sibiricum, the so-called 'Siberian unicorn,' is not as closely related to modern rhinos as once thought.

In A.D. 536, a volcanic eruption sent a thick haze into the air that blocked the sun over Europe, the Middle East and some of Asia for 18 months.

The bottom of the Pacific Ocean is actually cooling down. How is this possible? The answer is proof that Earth's systems operate on long timescales.

If dinosaurs had telescopes and had pointed them at Saturn, they might have seen a ringless world.

Researchers say the collision of a planetary body with Earth, some 4.4 billion years ago, seeded the elements of life and also led to the creation of our moon.

This supposed moon rock is actually an Earth rock. It was likely jettisoned from our planet ages ago, eventually crashing into the moon.

Researchers have unearthed fossils of an extinct spider family that contain reflective material in the eyes that gave them superior night vision.

Anjouan is an island between Africa and Madagascar littered with sedimentary rocks called quartzite that don't belong there. Are they a chunk of Gondwana?

New research suggests it will take millions of years for extinct species to return to Earth.

8 strange and surprising facts about the T. rex, king of the dinosaurs.

The space agency's $650 million Neo Surveillance Mission is designed to spot killer asteroids.

From nearsightedness to bone mass, a trip to the International Space System has a notable effect on astronauts' bodies.

Natural fluctuations alone do not explain warming in the upper layers of the planet's oceans, confirms a new computer modeling study.

As acidic seawater forces shellfish to grow thinner shells, scientists warn of a ripple effect that could alter marine ecosystems around the planet.

A new study shows that some wells in N.Y. contain large amounts of explosive methane and need to be monitored to prevent any detonation.

The ozone hole above the Antarctic has hit its maximum extent for the year. Due to warm temperatures, the opening in the protective atmospheric layer was the se

Rising carbon dioxide levels at the edge of space are apparently reducing the pull that Earth's atmosphere has on satellites and space junk, having effects on t

A new study finds that earthworms cause soil to release more greenhouse gases.

Put down that hamburger, pick up a cricket burger, and help reduce greenhouse gas emissions.

Toyota has donated 4,500 free trees for this March's giveaway for New York City residents.

The Air Quality Egg was named one of Kickstarter's best projects of 2012.

Cyclists have "increased heart rate and respiration," resulting in more CO2 emissions, said state Rep. Ed Orcutt.

Living near high-traffic roads accounts for 14% of all asthma cases, researchers find.

The environmental movement's challenges are greater than ever, but the founder of 350.org says victory lies ahead.