Optical cavities are pairs of light-trapping mirrors and underpin the operation of lasers, atomic clocks and many types of ...

New data from JWST suggests our Universe may be hidden within a massive Black Hole.

Nov. 6, 2026 After nearly 22 years of exploring the universe’s most violent explosions, NASA’s Swift Observatory has re-entered Earth’s atmosphere over Indonesia. Originally designed to last just two ...

Join us in today's epic new video as we journey through the cosmos to understand what black holes are, how they form, and why ...

In a black hole, time might end, or loop, or become a place in space, or become wildly unpredictable. And us physicists ...

Ever wondered what would happen if you fell into a black hole? It’s not a journey for the faint of heart! From ...

Astronomers have found thousands of planets orbiting other stars. They’ve even found some rogue planets, or planets without a star. Now, fascinating new research says more planets could be lurking ...

Astronomers at Caltech captured mind-blowing footage of a supermassive black hole spewing a jet of plasma straight toward Earth. The school’s astrophysicists released a high-resolution video of plasma ...

A new simulation suggests little red dots, unusually compact objects seen in photos from space, might be one stage in the evolution of black holes. So-called little red dots, astronomical objects that ...

Astronomers have discovered that winds from a supermassive black hole are about 100 times more powerful than previously thought. XRISM observations showed the resulting turbulence spreading roughly ...

When two black holes find each other in the vastness of space, they can form a binary odd couple—and it’s more common than researchers expected. Scientists think most black holes are born when a star ...

Black holes might be hiding something from us. According to Einstein’s theory of general relativity, a simple black hole is surprisingly easy to describe. It has just three main properties: its mass, ...