As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

Perched on a knife-edge peak in Washington State, this fire lookout cabin defied logic and gravity. Built in the 1930s, it was used for only four years before being abandoned for unclear reasons. The ...

A fresh storm has erupted around NASA after a theoretical physicist claimed that the agency may be deliberately blurring ...

Surprisingly, a toxic compound found on Mars could help bacteria produce brick-like substances that could be used to assemble habitats on the Red Planet.