According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

An analysis of the afterglow of the big bang sheds light on how black holes distribute mass in the universe, and why some ...

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...

Scientists have discovered that the 3I/ATLAS — a Manhattan-sized interstellar object that potentially has alien tech — is much larger than previously thought.... First discovered by NASA on July 1, ...

What is the biggest object in the universe? Learn more about the biggest objects in the universe, including galaxies, galaxy clusters, and dark matter.

Biggest vs smallest - how do we measure up in the grand scheme of the universe? Explore the fascinating scales of existence, ...

Check out every Marvel star who appeared in Harry Potter, ranked by their character’s story impact—from minor cameos to ...

The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've observed in the universe so far.

Note that the $555M estimate is likely to increase once actuals are tallied on Monday. It’s also worth recalling that exchange rates have shifted greatly since the last Demon Slayer feature, Mugen ...

Not everything in the universe is what it seems. Some things, like tiny red objects captured by NASA’s James Webb Space Telescope (JWST), might look like stars or galaxies. But new research suggests ...

Scientists using NASA's James Webb Space Telescope now think the "little red dots" spotted in the early universe could be a new kind of space object. They call it a "black hole star." Credit: T.