"At first glance I thought that was a moldy spider nest in a pizza box." Grandchild stuns social media with photo of backyard ...

The curious minds at What If reveal a planet scientists found that could host alien life, exploring atmosphere, water, and potential biology.

Astonishingly, we can identify molecules present in the atmospheres of exoplanets.

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

More planets could be homes for aliens than we thought, scientists say - Planets we thought were not inhabitable might ...

Musk compared consciousness to a candle in a “vast darkness" during remarks about aliens at the World Economic Forum in Davos ...

Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — ...

A study using the Very Large Array radio telescope may have discovered a magnetic field on exoplanet YZ Ceti b. Magnetic ...

Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf ...

Quite a bit of movie magic made "Alien" the sci-fi horror classic it is -- but one of its biggest challenges was solved with ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory claims, but a comet.

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...