Something is absorbing light on the surfaces of Pluto and Saturn’s moon Titan, and figuring out what it is could be crucial ...

Harvard astrophysicist Avi Loeb has floated the provocative idea that humans might themselves be alien‑made 'autonomous probes,' built through advanced synthetic biology rather than evolving entirely ...

After decades of hunting, physicists still don’t know what makes up most of the universe’s matter. Now they need to cast a ...

Earth meets sky in this mountain town. The Appalachian bedrock here came from stardust and grew through geological processes ...

A NASA‑linked study argues that alien probes could already be in our Solar System, but our surveys are still too crude to ...

Artificial cells created in the laboratory offer a wide range of potential applications. Until now, however, their membranes—unlike those of real cells—have been virtually impermeable. Researchers at ...

Physicists report the discovery of new evidence for a mysterious quantum state in an unusual class of materials.

Seven organic molecules that have never been seen before on Mars just turned up inside a single rock — and one is a precursor ...

The best Steven Spielberg movies include Disclosure Day, ET, Indiana Jones, Jaws, Schindler's List, Jurassic Park, The ...

For generations, the search for life beyond Earth has focused on avoiding one of science’s biggest mistakes: claiming a ...

When the Trump administration registered the domains Aliens.gov and Alien.gov in March, UFO conspiracy theorists wondered whether they might finally get answers they’d long awaited. But coming on the ...

All domestic cats love catnip, right? Well, not necessarily. Japanese cat owners would likely say their cats prefer silver vine (matatabi), which is equally famous for triggering the usual strong ...