Two years after it stirred up speculation about the possibility of alien life, the Kepler Space Telescope will be at the center of a NASA announcement on Thursday. NASA does not mention aliens ...

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

LOS ANGELES NASA’s planet-hunting Kepler telescope is broken, potentially jeopardizing the search for other worlds where life could exist outside our solar system. If engineers can’t find a fix, the ...

Space-watchers saw the handwriting on the wall months ago, but now it’s official: NASA’s Kepler spacecraft, by far the most successful planet-hunting telescope in history, isn’t coming back. Engineers ...

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

Humanity may be one step closer to finally answering the question of whether we're alone in the cosmos with a definitive "no." A team of astronomers said it has found signs of what could be ...

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

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.

Earlier this month, I learned that potential signs of life were discovered on an exoplanet called K2-18b, which is 120 light-years away from Earth. This is a discovery that could reshape our ...

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