Blue Origin's New Glenn rocket was scheduled for launch on Sunday (Nov. 9) but it has been delayed until Wednesday (Nov. 12) ...

New simulations suggest magnetic fields hold the key to forming black holes that defy known mass limits. When powerful ...

For better images, the European Southern Observatory can combine four optical telescopes. Now, thanks to laser technology, a ...

In 2023, astronomers detected a huge collision. Two unprecedentedly massive black holes had crashed an estimated 7 billion ...

In 2017, the EHT collaboration yielded the first-ever image of a supermassive black hole at the center of the Messier 87 ...

A cosmic explosion known as GRB 250702B is by far the longest gamma-ray burst astronomers have ever seen—if it’s even one at ...

Back on planet Earth, and deep inside a pitch-black, sulfuric cave on the Albanian-Greek border, we reported on a study that ...

Researchers are using black hole “shadow” images to test whether Einstein’s relativity remains unshakable. With next-generation telescopes, they hope to spot telltale signs of alternative physics ...

Images of black holes are more than just fascinating visuals: they could serve as a "testing ground" for alternative theories of gravity in the ...

The moon will be just under 357,000km from Earth on Wednesday, making it the nearest full moon of the year, and therefore the largest supermoon. Supermoons occur because the moon’s orbit is not ...

President Donald Trump hosted hundreds of costumed guests — from superheroes to dinosaurs and even a few children dressed as ...

Scientists once thought this tiny galaxy was held together by dark matter. An unexpected monster black hole was found hiding inside one of the Milky Way's tiniest neighbors, rewriting what scientists ...