Harvard scientist Avi Loeb suggests comet 3I/ATLAS may be an alien vessel seeding life, after NASA's SPHEREx spacecraft detected unexplained methane and organic chemicals on board.

It did not subside after the nearest approach of Comet 3I/ATLAS to the Sun; it became bright once more. The delay of that ...

Gas giants are massive worlds made mostly of hydrogen and helium. They lack solid surfaces, and in our solar system, Jupiter ...

The Warriors have acquired forward-center Kristaps Porzingis from the Atlanta Hawks in exchange for guard Buddy Hield and forward Jonathan Kuminga, the team ...

6 billion years old and home to more than 100 billion stars. This reality suggests there is likely a mind-boggling number of ...

Scientists have discovered something that they previously thought wasn’t possible – an ‘inside out’ star system. When you ...

'Hang onto your hats.' ...

SHOCKED astronomers have spotted a “rogue” planet that defies historic theories. A unique “inside out” planetary system with a distant rocky world turns our ...

The interstellar visitor, only the third such object to be discovered passing through our solar system, ignited controversial ...

By Will Dunham WASHINGTON, Feb 14 (Reuters) - Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that formed beyond the orbits of its ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

Astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spacecraft. 3I/ATLAS was confirmed as the third known object to enter our solar system from interstellar ...