They found that the ancient star chart actually dates to 355 B.C. — 250 years earlier than previously thought — and that it ...

NASA's James Webb Space Telescope has made the first-ever and long-anticipated detection of ice outside of our own solar system. The frozen water was found within a debris disk circling HD 181327, a ...

In this image, the NASA/ESA Hubble Space Telescope peers into the spiral galaxy NGC 1317 in the constellation Fornax, located ...

Astronomers are once again getting excited about a rare nova that could appear in the night sky anytime from now into the coming months. Here's why.

T Coronae Borealis, a binary star system about 3,000 light years away, is usually far too dim to see with the naked eye.

Oliver Widger and his cat, Phoenix, have become social media stars as they journey across the Pacific Ocean. They’re learning as they go.

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

A nova differs from a supernova, which is an explosion that destroys dying stars, NASA explains. During a nova event, the ...

Cancer, the Crab, is one of the constellations through which the sun passes in its yearly trek around the sky. Of all the ...

Meanwhile, astronomers are keeping watch for a rare nova—a sudden explosion of a distant star—that could appear to the naked ...

Any day now, a massive stellar blast dubbed "the Blaze Star" could light up the night sky so brightly, you won't even need a telescope to see it.