Two supermassive black holes spotted by NASA telescopes are only 300 light years apart-unnervingly close in galactic terms.

For some young people, a popular method for getting a quick high is by misusing laughing gas — and lately, that’s in the form ...

Typically, galaxies with bright cores, called active galactic nuclei (AGN for short), exist very far away. They're often seen ...

Astronomers observed a close pair of black holes dancing around one another using the Hubble Space Telescope and Chandra ...

At just 300 light-years apart, these are the nearest confirmed pair of supermassive black holes spotted in our local universe using visible and X-ray light observations.

What would happen if two black holes moved extremely close to each other? It’s a question NASA scientists are pondering after ...

NASA’s Hubble Space Telescope and the Chandra X-ray Observatory have detected a pair of supermassive black holes in tight ...

The two black holes are near the center of a galaxy shaped by the aftermath of a recent merger between two smaller galaxies.

Teens are getting ahold of Galaxy Gas, a flavored culinary nitrous oxide, following a dangerous trend on social media. While it has many legitimate uses, it also creates a brief and potentially deadly ...

The death of the Tragically Hip’s lead singer Gord Downie united fans across Canada in their grief, but in many ways pulled ...

Like two Sumo wrestlers squaring off, the closest confirmed pair of supermassive black holes have been observed in tight ...

Like two Sumo wrestlers squaring off, the closest confirmed pair of supermassive black holes have been observed in tight ...