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

A never-before-seen blast from a supermassive black hole was spotted by two sophisticated X-ray space telescopes. This giant ...

I/ATLAS, comets, asteroids, quasi-moon and more. In 2025, scientists spotted several strange events and objects in the ...

A space explosion detected this summer burned for days on end, making it the longest and most unusual gamma-ray burst ever seen. Gamma-ray bursts are the universe’s most powerful explosions. They ...

Learn more about the supermassive black hole in galaxy NGC 3783 and how its powerful blast is similar to our sun’s coronal ...

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

Space is inaccessible to the vast majority of us, but it’s not as far away as you might think. The von Kármán Line, which is ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Astronomers have observed the longest-ever gamma-ray burst — a powerful, extragalactic explosion that lasted over seven hours ...

Which comet received this extensive observation from NASA? It was Comet C/2025 R2 known as SWAN. A Ukrainian amateur ...

A Rutgers astrophysicist is helping to solve a cosmic puzzle that has astronomers scratching their heads. The mystery centers ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...