From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

The Perseverance rover has been exploring Jezero Crater for years, but it's never found an otherworldly object quite like ...

INDIANAPOLIS — Tiny telescopes in Arizona and South Africa have spotted a Saturn-like planet in orbit around a star about 700 light-years from Earth. Scientists using the Kilodegree Extremely Little ...

AMHERST, Mass. — While popular culture commonly depicts extraterrestrial life as little green men with large, oval-shaped heads, it’s most likely that if there is life beyond our planet and within our ...

WASHINGTON — An Earth-sized planet in its star's habitable zone has been discovered in data from NASA’s Kepler space telescope. NASA says the newly found exoplanet is the closest to Earth in size and ...

The unusual specimen raised eyebrows because it appeared capable of causing levitation. An official investigation has not ...

You’ve traveled thousands of light-years through interstellar star systems. And now you’re stranded on a planet you know nothing about. As long as you’ve got oxygen, water and food aboard your ...