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.
Astronomers have obtained direct images of an exoplanet moving around a star 63 light-years from Earth.
Two distant black holes will smash into each other, releasing more energy than 100 quintillion Earths full of TNT, and new research has just moved up the timeline for the explosion.
A faint dwarf galaxy neighbouring the Milky Way has been photographed in the highest resolution yet, helping provide valuable information about the early universe.
Scientists pull a needle out of a haystack and identify a star that dates back to shortly after the Big Bang.
The Hubble Space Telescope has captured a glorious picture of a brightly burning, quickly moving star and the wind-blasted nebula around it.