Runaway black holes have moved from theoretical oddity to observed reality, and the picture they paint is as unsettling as it is awe inspiring. Instead of sitting quietly at galactic centers, some of ...

The signal lasted for seven hours, and its duration and intensity suggest previously unknown processes in the universe.

ESA's Gaia mission has discovered the closest and 2nd closest black holes to Earth found yet. In this animation, travel to latter, black hole Gaia BH2, and see what makes it unique. Credit: ...

What: New analyses using early observations from the European Space Agency’s Euclid mission examine how galaxy mergers trigger active galactic nuclei (AGN), luminou ...

Ripples in space-time from a pair of merging black holes have been recorded in unprecedented detail, enabling physicists to test predictions of general relativity ...

Interstellar comets are the original cosmic explorers, and by studying their metallic whispers, we are learning the secrets ...

Just after 9 a.m. on Friday, Feb. 6, 2026, final beams of oxygen ions—oxygen atoms stripped of their electrons—circulated ...

Sky gazers can view the March 3 lunar eclipse at Brasada Ranch in Oregon’s high desert located in certified dark sky territory at 3,000 feet above sea level.