"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

A metallic-looking rock sitting on the Martian surface has jolted a mission that was already rewriting what we know about the ...

Wildlife watching at Fairy Stone offers opportunities to spot white-tailed deer moving gracefully through the underbrush, wild turkeys strutting with prehistoric dignity, and if you’re particularly ...

Early Mars seems to have had a protective atmosphere and liquid water in the form of oceans, rivers, and lakes. It may also ...

Time is running out to reestablish communication with the orbiter as the sun will soon block Mars from the Earth.