Scientists may have solved the mystery of an "impossible" merger between two black holes so massive and fast-spinning that ...

In 2023, astronomers detected a huge collision. Two unprecedentedly massive black holes had crashed an estimated 7 billion ...

Giant stars die a violent death. After a life of several million years, they collapse into themselves and then explode in what is known as a supernova. How these stars explode remains a mystery.

Korean scientists studying Type Ia supernovae have found strong evidence that the universe's expansion is not accelerating, ...

A research team led by University of Minnesota School of Physics and Astronomy Professor Yong-Zhong Qian uses new models and evidence from meteorites to show that a low-mass supernova triggered the ...

This infrared image from the James Webb Space Telescope, released by NASA on Aug. 31, 2023, shows internal details of the evolving supernova 1987a that have never been observed in the visible spectrum ...

In the colossal Pinwheel galaxy, 25 million light-years away, a star has just exploded and is even visible through small telescopes. The supernova-hunting astronomer Koichi Itagaki discovered the ...

Francis Thackeray has received funding from the National Research Foundation. Global cooling that happened millions of years ago was thought to be the result of ocean currents. He suggests instead it ...