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.
The discovery of a new unusually bright dead star leads astronomers to question assumptions about a type of cosmic radiation -- and pulsars themselves.
Astronomers have located a black hole that appears to be from a new class of cosmic champion eaters.
A rare picture snapped by Saturn probe Cassini shows three of the planet's moons -- all of which are very different from each other.
The discovery of water vapor in the atmosphere of the planet opens up more understanding about planet formation and the possibility of life outside our solar system.
The water in our solar system -- including up to half of Earth's supply -- has actually been here since before the birth of the sun, according to new research.
A new catalogue of the visible Milky Way is the most detailed yet, charting 219 million distinct stars in the region we can see from Earth.