The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough ...

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 ...

In the remote northwestern corner of Alaska sits Nome, a frontier town where gold rush history meets otherworldly landscapes that would make George Lucas do a double-take. You know that feeling when ...