Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

Scientists identify 45 potentially habitable exoplanets, using exact data and quotes to guide future telescopes in the search ...

This enigmatic orb has undergone extensive examination and DNA testing, enabling scientists to reveal its true origins ...

NASA's SPHEREx space telescope reveals widespread water ice in Cygnus X, showing how dust shields molecules in star-forming ...

Earth is dotted with humongous, human-made structures that, to an alien eye, may be tell-tale signs of intelligent goings-on.

The strange, shiny discovery, retrieved from the ocean near Alaska in 2023, turned out to be part of an anemone, scientists ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

A strange “golden orb” pulled from more than 2 miles beneath the Gulf of Alaska, once rumored to be everything from an alien ...

An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

For years, TRAPPIST-1 has stood out as one of the most closely watched systems in the search for life beyond Earth. Now, ...

What if life on other planets doesn’t breathe oxygen at all? Scientists are beginning to rethink one of the biggest ...