A surprising find has researchers thinking that they may have discovered a "Solar System 2.0."
Astronomers have found the very first quintuple star system consisting of two sets of eclipsing binary stars and one solo star.
By using the world's preeminent telescopes, astronomers peer behind a curtain of dust to find a giant star-making factory known as "Sparky."
A giant star in the Canis Majoris constellation isn't acting like itself, and scientists are doing their best to figure out why.
Speaking to Congress, two astronomers from SETI describe the chances of finding aliens as almost 100 percent.
Scientists pull a needle out of a haystack and identify a star that dates back to shortly after the Big Bang.
Technically Incorrect: Funded by billionaire Yuri Milner, the project will be listening very hard for alien noises, with Hawking and other scientists in support.
An album full of dogs, weather and human noises meant for the listening enjoyment of extraterrestrials is now available in its entirely for online streaming.
In a just-held briefing, NASA says that Pluto's "heart" will be named for the dwarf planet's original discoverer, a dark spot on moon Charon is called "Mordor," and Pluto is a relative newborn.
In 2006, Pluto had its planet status revoked. Now a petition hopes to get it restored -- but would other dwarf planets ride in on its coattails?