But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

Alien solar systems that are home to so-called "hot Jupiters" — gas giants circling sizzlingly close to their stars — are unlikely homes for Earth-like planets, researchers say. Hot Jupiters get their ...

The interstellar object 3I/ATLAS was first detectedin 2017 and has since become a subject of intense interest. Expected to pass near Earth in early 2026, it will make a closer approach to Jupiter in ...

Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — which could make it hard for nutrients to get down to its buried ocean.

Astronomers report the detection of four new "hot Jupiter" exoplanets as part of the WASP-south survey. The newfound alien worlds received designations: WASP-178b, WASP-184b, WASP-185b and WASP-192b.

3I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some researchers suggest it could even be alien-made, drawing comparisons to probes ...