A strange world just 47 light-years from Earth is rewriting what scientists thought they knew about alien planets. Hidden ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

Interstellar object 3I/ATLAS is confirmed as a natural comet from beyond our solar system, posing no threat to Earth despite ...

How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that ...

A team of astronomers have used the Hubble space telescope to capture with direct imaging asteroids smashing into each other ...

Take shelter and lay low as you experience Paramount+’s options for haunting horror flicks and sci-fi stunners.

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

A study in fruit flies suggests an internal genomic arms race may be driving rapid evolution in proteins that still perform an essential, unchanging job: protecting chromosome ends.

Mammals keep evolving into anteaters, eating only ants and termites, at least 12 times since the age the dinosaurs.

A comet from another star system is putting on a show that looks uncannily like a heartbeat, with bright jets of gas and dust ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...