A little dead star that dazzled us earlier this year is not done with its shenanigans.

NASA's Osiris-Rex spacecraft briefly landed on an asteroid called Bennu on Tuesday to collect samples of its rock. But now a valve on the probe's sample-collecting arm won't close, and the bits of asteroid it grabbed are floating away. The team is frantically…

People thrive all across the globe, at every temperature, altitude, and landscape. How did human beings become so successful at adapting to whatever environment we wind up in?

There are currently at least six COVID-19 vaccines in phase 3 clinical trials – the final phase of testing. These trials all aim to compare the safety and effectiveness of the vaccines versus a placebo.

UPDATE: Our 24/7 NASA TV broadcast is being phased out as of Aug. 28, 2024. We *will continue* to stream live events and share new videos on our YouTube account—please subscribe to our channel to make sure you get the latest updates!

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It's official. There's water on the Moon.

Asymptomatic coronavirus sufferers appear to lose detectable antibodies sooner than people who have exhibited COVID-19 symptoms, according to one of the biggest studies of its kind in Britain reported on Tuesday.

Passing electricity through a piece of quartz crystal generates a pulse you can literally set your watch by. Set a time crystal melting, on the other hand, and it just might pulse with the deepest secrets of the Universe.

Titan, the already pretty weird moon of Saturn, just got a little bit weirder. Astronomers have detected cyclopropenylidene (C3H2) in its atmosphere - an extremely rare carbon-based molecule that's so reactive, it can only exist on Earth in laborat

NASA said Thursday its robotic spacecraft Osiris-Rex was able to stow a rock and dust sample scooped up from the asteroid Bennu, after a flap that had wedged open put the mission at risk.

Every 200,000 to 300,000 years, Earth's magnetic poles reverse. What was once the north pole becomes the south, and vice versa. It's a time of invisible upheaval.

There are many unanswered questions about our place in the Universe. Why are we here? What is the likelihood of our existence? Could there be others like us out there in the galaxy?

Scientists say early trials of a new test offers the possibility of "rapid" Covid-19 results.

Scientists are seeing the Australian platypus in a whole new light. Under an ultraviolet lamp, this bizarre-looking creature appears even more peculiar than normal, glowing a soft, greenish-blue hue instead of the typical brown we're used to seeing

Part of the challenge in controlling the coronavirus pandemic is in identifying and isolating infected people quickly – not particularly easy when COVID-19 symptoms aren't always noticeable, especially early on. Now scientists have developed a ne

On Monday, the world celebrated 20 years of continuous human presence in space. Astronauts and cosmonauts have lived aboard the International Space Station without a break since 2 November 2000.

A distant asteroid trailing in the gravitational wake of Mars has been observed in greater detail than ever before, and the close-up reveals a surprising resemblance – one that raises some interesting questions about the object's ancient origins.

There's never been a radio silence quite like this one. After long months with no way of making contact with Voyager 2, NASA has finally reestablished communications with the record-setting interstellar spacecraft.

An ancient squid-like animal with a shell like a 1.5-metre-long paperclip may have lived to be 200 years old