Our measurements of the Hubble constant can't seem to come up with a consistent answer. What we learn next may alter our view of the cosmos, writes Chanda Prescod-Weinstein

Some black holes are way bigger than we can explain, and they may have come from supermassive stars that formed by devouring the other stars around them

Strange particles observed by an experiment in Antarctica could be evidence of an alternative reality where everything is upside down

Brown dwarfs, which are halfway between huge planets and small stars, have extremely powerful winds whipping around them at speeds of about 650 metres per second

Spending at least six months in microgravity can cause astronauts’ brain volumes to increase, causing pressure to build up in their heads and creating vision problems

A star that swoops close to the Milky Way’s supermassive black hole has a strange, looping orbit that proves Einstein was right about the gravity of black holes

Arrokoth, a strange two-lobed space rock, was hit by another rock at some point – the collision may have snapped Arrokoth’s narrow neck before it reformed again

The interstellar comet Borisov, which flew past Earth in December, is full of carbon monoxide ice that implies its home star is smaller and colder than our sun

Strange orbits of distant space rocks have been used to infer that the solar system has an unseen ninth planet, but those orbits may be less strange than we thought, meaning there is no need for a new planet

Extraterrestrial oceans are an obvious place to search for alien life, but getting there and having a look won't be easy, says NASA's Kevin Hand in his book Alien Oceans

The question of how the brain gives rise to subjective experience is the hardest of all. Mathematicians think they can help, but their first attempts have thrown up some eye-popping conclusions

NASA has awarded $967 million to three space flight companies – Blue Origin, Dynetics and SpaceX – to build lunar landers that will be part of the Artemis programme to send humans to the moon by 2024

China just tested its biggest rocket yet, along with a new capsule designed to carry humans to its planned space station, the moon and beyond

Astronomers found a star that appeared to be orbiting nothing at all – but it’s actually the closest black hole ever at just 1000 light years away

The leading hypothesis for how the moon formed involves a collision between a Mars-sized object and Earth that would have boiled away elements like carbon, making its discovery on the moon a mystery

Mercury is much denser than the other rocky planets in the solar system, and that may be because a collision vaporised its surface and the debris was blown away by the sun

The Pulitzer Prize Board this week awarded its commentary award to The New York Times' Nikole Hannah-Jones for her essay launching the "1619 Project." This will accelerate a trend already underway: subjecting schoolchildren to a curriculum that blames slavery on capitalism and whose creator believes socialism offers the best path to racial equity.

After more than three long years, the Justice Department has finally lived up to its name by dropping charges against my former boss, former National Security Adviser and retired Army Lt. Gen. Michael Flynn. He should have never been prosecuted.

Will Flynn be the right wing's Nelson Mandela? Of course that's insulting - but so is this entire presidency

Michigan can and will recover from the devastating COVID-19 pandemic - but not if Joe Biden wins the presidential election this November. The former vice president's radical policy platform is destined to sabotage America's second economic comeback, dooming the Great Lakes State to a bleak future of perpetual economic stagnation.

If he can win the battle for our screens, he can benefit from the death of the traditional presidential campaign.

I was not surprised either that it took two-plus months for arrests to come of two men and murder charges in the case. This only after the GBI was rightly called in.

The country faces the same problem today it did two months ago: There are not enough tests to contain the virus.

There is something deeply unsettling about the lionization of Andrew Cuomo and his handling of the epidemic, especially in the light of the raw statistics

In light of the newly declassified documents, it is clear that understanding what happened in that January 5 Oval Office meeting is essential to understanding the corrupt operation against the Trump administration.

The Justice Department's move was the latest example of the attorney general's effort to chisel away at the special counsel investigation and emphasize an alternate narrative.

A new computational method allows robotic characters to perform fast motions without excessive vibrations

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This clay robot can squeeze and squish itself into different shapes

Get ready for the first scored event in DARPA's latest Grand Challenge

Roboticists share what they've learned so far from DARPA's Subterranean Challenge, and how they readied their bots for the next event—the Tunnel Circuit

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Skybot F-850 will spend a week on the ISS charming astronauts with its sense of humor

How autonomous robots in the underground scavenger hunt pick up points for their teams

Ready-to-connect readycables® save you time on cable assembly and are guaranteed to last 36 months

Supporting long-range communications inside of a mine is extremely difficult, so DARPA SubT teams are trying out some creative approaches

Startup Cerebras has built a wafer-size chip for AI, but it isn’t the only one possible

A new automated lab bench combs through known chemical reactions to figure out how best to synthesize compounds

The latest version of ANYbotics' four-legged robot can do useful real-world inspection tasks

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It's about more than just first place as teams look toward more competitions in 2020

Beam now belongs to a Danish robot venture factory

With mapping and semi-autonomous navigation, even you can drive a Double 3

Robots that can control puppets could one day learn to manipulate complex physical objects like clothing and flexible sheets

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Human movements can teach robots the skills they need to dig holes and—maybe someday—build the first colonies on Mars

The FAA’s app—which tells you where you can and can’t fly your drone—ignores both local and national regulations

It'll take more than having its fingers chopped off to stop this robot hand

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With four legs but no back or front, ALPHRED 2 can run, jump, and punch through boards in any direction