No telescope has basked in the night sky quite like this before. Here's what it could reveal about the universe.

Gaia, Europe’s Milky Way–mapping spacecraft, shut down earlier this year. It was arguably the most important—and most ...

Could Mysterious Black Hole Burps Rewrite Physics?

A personal tribute to astronomer Vera Rubin, told through stories and memories from her granddaughter, Ramona Rubin.

While Bianco will be present in Washington for the historic first-look event, UD is hosting a watch party in Room 101 of ...

Black holes are invisible, yet they are among the brightest things in the universe. If a star wanders too close to a black ...

USGS Hawaiian Volcano Observatory geologists visited the western rim of Halemaʻumaʻu crater for a closer look at the active ...

Proba-3's Coronagraph and Occulter fly in tandom as they loop around the sunward side of Earth, with the Occulter at the precise distance to block the Sun's disk for the camera. (ESA) Now, Proba-3 has ...

LONDON, June 21 (Xinhua) -- The British House of Commons approved the assisted dying bill in a third reading vote Friday, marking a significant step toward legalizing assisted dying for terminally ill ...

ESA’s Proba-3 mission has achieved a spacefaring marvel: two satellites flying in perfect formation to mimic total solar ...

The European Space Agency's synchronised flight allowed a satellite to cast an 8cm-wide shadow onto its sister craft flying ...

For the first time in history, we re seeing the Sun from an angle no one ever has: from above and below its poles. Thanks to ...