The system is believed to be traveling at least 1.2 million miles per hour (1.93 million kilometers per hour), according to a ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration. At the same time several telescopes, including the Chandra X-ray Observatory ...

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, ...

Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

Caldwell 71, or NGC 2477, is an open star cluster. Open clusters are loosely bound collections of stars. It is located roughly 4,000 light-years from Earth in the constellation Puppis.

This artist's concept visualizes stars near the center of our Milky Way galaxy. Each has a colorful trail indicating its speed –– the longer and redder the trail, the faster the star is moving. NASA ...

The "dark universe detective" space telescope Euclid has discovered its first Einstein ring in the process, learning about ...

"They are everywhere!" A terrifying finding made in a solar system void. The discovery of a record-mass stellar black hole in our galaxy.

Hubble Space Telescope discovers galaxy with unprecedented nine rings formed by cosmic collision, located 567 million ...

One of those detections was EP240408a, an unusual blast that lit up discussions between astronomers. Zhang and his colleagues ...

NASA astronaut Sunita Williams takes the 'ultimate selfie' during her record-breaking ninth spacewalk, capturing a stunning ...