Betelgeuse is a superstar among the stars — one of the brightest in the night sky, a massive red supergiant in the constellation Orion that sometimes ...

After decades of hints and speculation, scientists have at last unveiled the hidden companion to the iconic star Betelgeuse ...

Physicists may soon witness a cosmic fireworks show: the explosive death of a primordial black hole. Once thought to be unimaginably rare, new research suggests there’s up to a 90% chance of catching ...

Supermassive black holes lurk at the centers of most large galaxies. Weighing millions or even billions of times the mass of the Sun, they are some of the most mysterious objects in the universe.

July 15, 2026 NASA's PACE satellite captured the Black Sea glowing turquoise during its annual phytoplankton bloom. The vivid color comes from massive numbers of coccolithophores, microscopic ...

Almost every known galaxy is centered on a supermassive black hole that devours anything unfortunate enough to fall into its ...

Astronomers have identified a supernova remnant beside the well-known Jellyfish Nebula (IC 443), and evidence suggests both ...

The impact will kick up a plume of debris so high, it’ll likely be visible through some telescopes. Astronomers will be watching.

A spacecraft meant to push NASA’s Swift Observatory to a higher orbit malfunctioned and started tumbling several days ago.

Astronomers have caught a supermassive black hole straying far from the centre of its galaxy using light from a star being ...

Here are the most impressive photos and videos from the Starship flight 13 of last weekend, as compiled by SpaceX itself.

SpaceX will likely attempt to catch Starship back at the launch pad on its next flight. SpaceX was more than lucky Friday, ...