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

"These vast frozen complexes are like 'interstellar glaciers' that could deliver a massive water supply to new solar systems ...

Using NASA's exoplanet-hunting spacecraft TESS (Transiting Exoplanet Survey Satellite) and Antarctic Search for Transiting ...

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 ...

Explore 25 astonishing things you can only see under a microscope. Discover hidden universes in everyday objects, from ...

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

A Guatemalan national in the U.S. illegally — who authorities say entered as a "gotaway" and had never been encountered by federal immigration officials — has been charged in a fatal stabbing in ...

Rep. Yassamin Ansari (D-AZ) speaks outside of the United States Capitol on March 18, 2026 in Washington, DC. It was the summer of 2015. I was living in New York City, working in climate policy at the ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. The Trump administration has registered the federal domain Aliens.gov, amid renewed public interest in unidentified ...