Black Holes
The Brightest Object Ever Seen in the Universe
It's an exciting time in astronomy today, where records are being broken and reset regularly. We are barely two months…
Gravastars are an Alternative Theory to Black Holes. Here's What They'd Look Like
Astronomers continue to find more and more evidence of black holes, but there's an alternative theory that could explain the…
Black Holes Existed at the Dawn of Time, Birthing Stars and Encouraging Galaxy Formation
The Universe is full of galaxies, many containing supermassive black holes. That sparked a question: which came first—the galaxies or…
The Event Horizon Telescope Zooms in on a Black Hole's Jet
The Event Horizon Telescope has given us amazing views of the supermassive black holes at the hearts of M87 and…
The Early Universe Had Small Galaxies with Oversized Black Holes
When doing the marketing for the James Webb Space Telescope (JWST), NASA and the other telescope contributors liked to point…
A Black Hole Has Cleared Out Its Neighbourhood
We can't see them directly, but we know they're there. Supermassive black holes (SMBHs) likely dwell at the center of…
It's a Fine Line Between a Black Hole Energy Factory and a Black Hole Bomb
You might be surprised to learn there's a way to extract enormous energy from a rapidly spinning black hole. Known…
Webb Sees Dozens Of Young Quasars in the First Billion Years of the Universe
One of JWST's big tasks is to help astronomers understand how the early Universe came together, with dwarf galaxies merging…
This is the Oldest Black Hole Ever Seen
There's an incredibly ancient black hole out there that's challenging astronomers to explain how it could exist only 400 million…
M87*'s Event Horizon Image. One Year Later
In 2017, a worldwide collection of radio telescopes gathered data about the event horizon around the supermassive black hole at…