We’ve searched the skies for alien signals in the form of radio waves and reflected light from massive orbiting structures. But physicists Gia Dvali (of the Max Planck Institute for Physics) and Zara ...

Talk about epic. A collision of two black holes is so extreme that it’s challenging physics theories of how large black holes form and merge. The two black holes had masses bigger than any before ...

NASA’s James Webb Space Telescope continues to deliver the goods. Launched on Christmas Day, 2021, it has since sent back a storm of dazzling images and a trove of good science. Now Webb has done it ...

Black holes are categorized into stellar-mass (3.3-100 solar masses), intermediate-mass (100-1 million solar masses), and supermassive (millions-billions solar masses); stellar-mass black holes form ...