Mars may not have always been the dry and dusty world we imagine. A staggering network of ancient riverbeds, spanning over 15 ...

The object is big – possibly as wide 12 miles, larger than the asteroid that wiped out the dinosaurs – and is speeding ...

A mystery interstellar object spotted last week by astronomers could be the oldest comet ever seen, according to scientists.

An international team from Italy, Australia, and the United States mapped the lake using ground-penetrating radar, then ...

MP Materials stock soared more than 40% in early stock market trade Thursday after announcing a deal with the Defense Department.