NASA rover Perseverance collected evidence being considered by agency officials as 'the closest we have ever come to ...

A biosignature is any characteristic, element, molecule, substance or feature that serves as evidence for past or present ...

The world's greatest space telescopes have all been round. Now, a new rectangular design could turbocharge our search for ...

"The profile of the occultation was most consistent with it being a new satellite — a new moon — going around Quaoar." ...

We are kind of one step closer to answering humanity’s, one of their most profound questions, and that is, are we truly alone ...

NASA's Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient microscopic life. Scientists reported the findings Wednesday, but stressed ...

Asteroid Apophis will skim closer than satellites in 2029—visible to the naked eye, reshaped by Earth’s gravity, and turning ...

An uncrewed mission called Artemis 1 flew around the moon and back again in 2022. Four astronauts aim to do the same next ...

NASA's Nancy Grace Roman Space Telescope will help scientists better understand our Milky Way galaxy's less sparkly components—gas and dust strewn between stars, known as the interstellar medium.

Viking consisted of two twin orbiters and landers, with experimental chambers in the landers to conduct three biology ...