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

An ocean-covered world bristling with life is the best fit for observations made of a planet 124 light years away in the Leo ...

Humanity may be one step closer to finally answering the question of whether we're alone in the cosmos with a definitive, "no ...

Using the James Webb Space Telescope, researchers have found signs of what could finally settle the age-old question: Are we ...

Slushy hailstones of ammonia and water were part of a bizarre theory to explain the planet's poorly mixed atmosphere. These mushballs seem to be real, say UC Berkeley scientists.