We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

Scientists reveal how waves behave on alien planets, from towering methane seas on Titan to nearly still lava oceans on ...

A new study suggests alien life may be easier to detect through clusters of similar planets rather than single biosignatures.

Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

Aliens aren’t “out there” – they’re here on Earth. You may have seen one. You may even be one. And if you read the foregoing ...

If forced to choose one descriptor for the octopus, the best word may be “otherworldly.” These truly amazing marine animals ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

NASA has uncovered major new clues on Mars that could point to alien life. The space agency’s rover has found chemicals on ...

NASA's Curiosity rover uncovered critical new samples, including a series of compounds planetary scientists consider building ...

A research team has developed a new approach to detecting life beyond Earth that does not rely on identifying specific ...

"When samples are brought back to Earth, we have to assume that they are hazardous until we can prove otherwise." ...

A new study proposes detecting life in space by spotting patterns across many planets instead of focusing on one at a time.