Oxygen has been the most important gas in our search for life among the cosmos thus far. On Earth, we have it in abundance ...

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

A sample collected by the Hayabusa 2 spacecraft from the spinning top-like asteroid contained the nucleobases adenine, ...

Japanese Aerospace Exploration Agency (JAXA). A tiny stash of asteroid dust may help answer one of science’s oldest questions ...

Astronomers have identified a strange new kind of exoplanet that challenges how scientists classify worlds beyond our Solar System. The planet, L 98-59 d, appears to contain a vast ocean of molten ...

A 1951 CIA report on parasites and tumors spread online in March 2026 — but it was declassified years ago and does not reveal ...

Researchers have identified the long-mysterious Toronto “subway deer” as a previously unknown extinct deer related to the ...

The findings further hint that space rocks may have brought the building blocks of RNA and DNA to Earth long ago ...

A mysterious metal-rich asteroid called Psyche has been baffling scientists for over two centuries, and its true origin ...

T he first time I heard about galaxies without dark matter, I was sitting in my very first graduate class at the University ...