James Webb Space Telescope observations show interstellar comet 3I/ATLAS has a 50-65 foot irradiated crust formed by billions of years of cosmic ray exposure. Research posted to arXiv indicates the co ...

Learn how many suns exist in the Milky Way and how to understand how many sun-like stars are out there could help us ...

I have seen those beautiful photographs of stunning night skies and I have been trying my best to see the Milky Way in all ...

An unexpected monster black hole was found hiding inside one of the Milky Way's tiniest neighbors, rewriting what scientists ...

A new study suggests the Milky Way’s gamma-ray glow could be a dark matter signal shaped by ancient galactic mergers.

NASA's Parker Solar Probe has flown into the Sun's corona. Structures known as coronal streamers and the Milky Way can be ...

I/ATLAS is the third interstellar object ever discovered in our solar system. Telescope observations suggest it is a roughly 7-mile-wide (11 kilometers) comet zooming at more than 130,000 mph (210,000 ...

A team of scientists has developed an LED lamp as thin as a sheet of paper that shines as brightly as the star orbiting the ...

One of the Milky Way’s smallest galactic neighbours seems to have a supermassive black hole at its centre, upending ...

Is this interstellar visitor the oldest comet ever seen? This space rock's unusual orbit and composition led to an explosive ...

The interstellar comet 3I/ATLAS has a thick irradiated crust that no longer resembles its home star system, simulations and ...

Small and unassuming, Segue 1 is a nearby dwarf galaxy containing only a handful of stars—too few to provide the gravity ...