Former Pittsburgh Steelers running back and Super Bowl champion Mike Collier has died. He was 71. The news was first ...

Unpredictable bursts of light are pulsing from the debris surrounding Sagittarius A*, offering new insights into the ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Stars are born in dense molecular clouds, but did they always form this way? Recent research suggests that in the early ...