By Kat Troche September 2025 marks ten years since the first direct detection of gravitational waves as predicted by Albert ...

The most luminous kilonova candidate to date (short gamma-ray burst 200522A) was detected using the Hubble Space Telescope, Swift Observatory and other telescopes. A kilonova is a "the afterglow ...

Astronomy is increasingly becoming an online affair. Recent discoveries of interstellar Comet 3I/ATLAS and R2 SWAN have highlighted this fact, when both were first discussed on message boards and ...

The first stars in the universe formed out of pristine hydrogen and helium clouds, in the first few hundred million years ...

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

From hidden planets to invisible cosmic signals, some of the most important astronomical discoveries happened while scientists were chasing something else entirely.

In a bizarre gamma-ray space explosion whose light reached Earth in 2023, a team led by astronomer Run-Chao Chen of Nanjing ...