Getting astronauts to Mars is only half the mission — the real problem is bringing them back. NASA engineers are designing ...

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

Scientists argue that limiting the search for life strictly to a star’s traditional habitable zone is too restrictive. That ...

UFO whistleblowers claim Earth is a cosmic farm where higher beings harvest human emotional energy, a concept rooted in ...

It's the oldest question on Earth. Where did we come from? Some people may thank a creator from above, but what if the hand that created humanity wasn't divine? What if aliens brought life to Earth?

"A strong magnetic field is very important for life on a planet." ...

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

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

If someone tried to put a price tag on Earth, what would that number even be based on? Land, oceans, ecosystems, raw ...

Of all the various subgenres attached to the sci-fi domain, alien invasion flicks come off as timeless favorites. Here are ...

On Earth, deep-sea vents may have given rise to the planet’s first life. But nothing of the sort seems to be happening at the ...

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