Gamma-ray bursts (GRBs) are the most energetic and luminous explosions in the universe. However, they are fleeting and often ...

Astronomers have spotted one of the fastest-growing black holes ever recorded, raising fresh questions about how such giants emerged so soon after the Big Bang. What makes this black hole so unusual?

For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of light is incredibly fast to us ...

Chad Hanna receives funding from the National Science Foundation. Scientists first detected ripples in space known as gravitational waves from the merger of two black holes in September 2015. This ...

When two massive objects – like black holes or neutron stars – merge, they warp space and time. Mark Garlick/Science Photo Library Scientists first detected ripples in space known as gravitational ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Chad Hanna, Penn State (THE CONVERSATION) Scientists first detected ripples in space ...

Black holes may be the fiercest objects in the universe, yet we still know very little about them. It has only been a decade since we confirmed their existence by detecting gravitational waves: ...

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...

Scientists using NASA's James Webb Space Telescope now think the "little red dots" spotted in the early universe could be a new kind of space object. They call it a "black hole star." Credit: T.

Data collected by the Very Large Telescope in Chile and the James Webb Space Telescope show that Cha 1107-7626 varied the ...