A seven-hour gamma-ray burst, GRB 250702B, stuns astronomers and hints at powerful new cosmic engines still unknown to science.

The interstellar visitor, only the third such object to be discovered passing through our solar system, ignited controversial theories.

So cosmologists feel confident in modelling the universe using the “maximally symmetric” description of space-time in Einstein’s theory of general relativity. This symmetric vision for the universe, ...

Astronomers from the National Astronomical Observatory of Japan (NAOJ) and elsewhere have used the Subaru Telescope to ...

The green hydrogen and ammonia project would have increased light pollution at ESO’s Paranal Observatory in Chile’s Atacama ...

As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

The NSF NOIRLab-operated Gemini North telescope captured stunning imagery of galaxies UGC 12914 and UGC 12915, aka 'Taffy Galaxies.' Their 'twisted appearance is the result of a head-on collision' ...

What: UC Berkeley researchers complete a comprehensive scientific analysis of the SETI@home archive, identifying ...

The newly discovered sungrazing comet C/2026 A1 (MAPS) will undergo an extremely close slingshot around our star in early ...

In 1883, a comet capable of ending life on Earth narrowly missed impact. Only one man on the planet noticed, a Mexican scientist.

Very Large Telescope observations of a free-floating rogue planet shows that it is "eating up gas and dust from its ...

York was the first researcher to find an isotope of hydrogen known as deuterium, which helped give researchers an understanding of dark matter.