Science ❯ Astrophysics ❯ Cosmology

Cosmic Events

Black Hole Mergers Black Hole Formation Fast X-Ray Transients Neutron Star Collisions Black Hole Collisions InterPlanetary Network Stellar Interactions Kilonovae Time Dilation Galaxy Formation Gamma Ray Bursts

Astronomers Confirm First Triple Radio AGN in Merging Galaxy Trio

High-resolution VLA and VLBA imaging pinpointed compact synchrotron cores in each galaxy, confirming concurrent black hole activity.

Twin Black-Hole Mergers Display Extreme Spins, Strengthen Einstein’s Theory, and Point to Second-Generation Origins

Record-Setting Day-Long GRB 250702B Confirmed at z = 1.036 as Origin Remains Unsettled

Record-Breaking 225-Solar-Mass Black Hole Merger Challenges Formation Models