Signals from a distant world have pushed the search for alien life out of science fiction and into the realm of testable ...

Among life’s most profound experiences is being able to witness the Milky Way stretching across the dark canvas of the sky. In fact, the stars, nebula.

A single metallic boulder sitting in an ancient Martian riverbed is forcing scientists to rethink what they thought they knew about the Red Planet. The rock, an apparent interplanetary visitor, is not ...