New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...

If an extraterrestrial civilization existed with Earth-like technology, would they be able to detect Earth and evidence of humanity? If so, what ...

Space agencies have systems in place to spot, track, and forecast the future orbits of potentially hazardous asteroids.

Experts have found water in the universe for the first time in history, and it could be one of the greatest achievements ever ...

A small blue dwarf galaxy passed through the massive Bullseye galaxy. This impact created nine rings of new stars.

"What if the iron stones were warming up to the point where they would actually melt the glacial ice beneath them and sink into it, perhaps even descending far enough so as to be hidden below the ...

SETI scientists suggest that extraterrestrial civilizations could detect Earth through 'technosignatures' like planetary ...