Don Pettit, NASA's oldest active astronaut, marked his 70th birthday by landing on the steppe of Kazakhstan after 220 days in ...

NASA astronaut Don Pettit and Roscosmos cosmonauts Alexey Ovchinin and Ivan Vagner successfully departed the International ...

Researchers found LUCA, our earliest common ancestor, lived 4.2 billion years ago. It had a complex biology, affecting its ...

Lucy’s next stop — “the main event,” as Levison calls it — will be the Trojan asteroids that share Jupiter’s orbit around the ...

To make matters worse, not only is the climate making people think twice about having kids, it is also negatively impacting ...

Earth's Northern Lights typically dance near the poles, but 41,000 years ago, they lit up skies over North Africa and ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

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Astronomers have made a detection suggesting biosignatures, or signs of biological activity, on an exoplanet located 124 ...

With our recovery partners and suppliers, we're advancing the sustainability of our cloud supply chain and driving toward our ...

Astronomers at the University of Cambridge in the UK said they have found the “most promising signs yet” of life on another ...

U.S. team of researchers detected signs of two chemicals in the planet's atmosphere long considered to be "biosignatures" ...