Aliens exist - they just haven't visited Earth, NASA veteran Dr Gentry Lee has claimed.

Being able to spot the Earth, let alone any signs of life on our planet, would require an enormous telescope from 66 million ...

If you examine our solar system’s giant planets, you’ll notice right away that they’ve all got moons—a lot of moons. While ...

Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of the United States. In a recent interview, Barack Obama became the first ...

Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the sun.

A viral Obama podcast answer about aliens prompted Trump to accuse him of revealing secrets and promise to release UFO files ...

Did you know? Sound from another planet, the wind on Mars, has been recorded and made audible with the help of headphones and ...

American space agency NASA announced it found a new way to allow the Perseverance rover to determine its position on Mars by itself.

If Barack Obama’s comments about aliens were speculative, Apollo 14 astronaut Edgar Mitchell had a lifetime’s cosmic ...

During the "planetary parade," six planets will appear to align in the evening sky, according to NASA.