For all the talk about life across the cosmos, Earth remains the only confirmed example. That single data point makes your place in the universe feel both ordinary and strange.

The newly discovered world is called GJ 251c and it is a super-Earth orbiting a red dwarf star less than 20 light-years away.

When it comes to the hunt for alien life beyond our planet, we're really having to take a hard look at our assumptions on where E.T. could be hiding. Finding a plausibly habitable planet in the ...

CAPE CANAVERAL, Fla. -- Earth-like worlds may be closer and more plentiful than anyone imagined. Astronomers reported Wednesday that the nearest Earth-like planet may be just 13 light-years away -- or ...

The nova outburst happens once every roughly 80 years, making this is a once-in-a-lifetime opportunity for many.

For all the talk about life across the cosmos, Earth remains the only confirmed example. That single data point makes your place in the universe feel both ordinary and strange. Two facts sharpen the ...