Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

Scientists have found a hidden biosphere stretching miles beneath Earth’s surface and as deep as 6 miles below the seafloor.

"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

Scientists can't fully agree on what GJ504b actually is. It may be a massive planet or a brown dwarf, a mysterious class of ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth.

The planets are extremely large, with TOI-791 b being about the same size as Jupiter, and TOI-791 c even larger. Yet, they ...

There are "vast hidden magma systems" inside of Mars, scientists say – and it could have major implications for the search ...

Based on evidence collected by the James Webb Space Telescope, researchers have found that interstellar comet 3I/ATLAS could ...