Ancient Greeks believed in alien life, as well as in gods, souls, and beings that inhabited the Moon, stars, and Heavens.

Europa looks like a frozen, lifeless moon — but beneath its shattered ice, scientists think there may be a vast saltwater ...

Elements essential to life, such as carbon, nitrogen, oxygen, phosphorus, and sulfur, were "delivered" to Earth and the moon ...

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

Jomathan Hughley says rapid innovation will come from the push for more research and long-term structures in space, including on the moon and Mars.

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 ...

'Do all aliens really need sunlight?' ...

You don’t have to leave the planet to feel like an astronaut. From hidden craters to secret NASA training grounds, these ...

NASA's Curiosity Mars rover took this selfie at a location nicknamed "Mary Anning" after a 19th century English ...

Beyond Artemis II, human spaceflight missions will need longer expiration dates and grow-it-yourself options. Luckily, labs ...

Within minutes, clips of the exchange spread across social media, while the dead air became its own meme. One viral post ...

What would they think of us? Today in History: April 12, Euro Disney opens in Paris Artemis II’s moon-traveling astronauts ...