Scientists predict up to 100 invisible galaxies may orbit the Milky Way, hiding just beyond our current detection limits.

A newly discovered object from deep space may be the oldest comet ever observed—possibly more than 7 billion years old, and ...

New simulations suggest that dozens of ultra-faint “ghost” galaxies may be orbiting the Milky Way, hidden from current ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

Researchers at Oxford have discovered that comet 3I/ATLAS may be over 7 billion years old, making it the oldest one we've ...

Here's everything to know about the James Webb Space Telescope, and what it captured on its three-year anniversary observing the cosmos. To mark Webb's third year of operations, NASA shared an image ...

A room with a view of one of the world’s most active volcanoes? A lodge that echoes The Shining? These six hotels and resorts ...

The widely anticipated first images collected by the Vera C. Rubin Observatory have been released, offering nothing short of ...

Bechtol and his fellow scientists hope they can learn more about the universe than all of scientific progress has allowed in ...

It's the so-called "Milky Way season" in the Northern Hemisphere. Here's everything you need to know about viewing the galaxy ...

Months after arriving in orbit thanks to a Falcon 9 rocket launch from Vandenberg Space Force Base, NASA’s newest space ...

Astronomers have discovered a giant, 500-light-year-wide cavity between two star-forming regions in the constellations Perseus and Taurus. An ancient supernova could be the culprit.