Under that reasoning, certain exotic structures of spacetime called closed timelike curves may be real—and they may allow a ...

Physicists isolated the ‘last sound’ of a black hole collision, providing an unprecedented glimpse of the region right next ...

Black holes and wormholes may seem interchangeable, but they actually are very different objects. In fact, one of them only ...

Massive galaxies? Dusty black holes? Black hole stars? Scientists have raised a lot of theories around what the crimson blobs ...

The Euclid space telescope has discovered 31 ancient quasars, including the earliest known, raising new questions about black ...

An artist's concept of a tidal disruption event (TDE), which happens when a star passes close to a supermassive black hole. The gravity of the black hole pulls material from the star and launches a ...

The James Webb Space Telescope (JWST) was designed to look back in time and study galaxies that existed shortly after the Big Bang. In so doing, scientists hoped to gain a better understanding of how ...

These forbidden black holes shouldn’t exist, but they could change everything we know about how these giants are born ...

Astronomers have for the first time dynamically weighed a dormant supermassive black hole in the distant universe, finding it ...

Smithsonian Starstruck lets visitors walk through the Big Bang, brush past the Sun, and gaze into a black hole, all without ...

Imagine you’re standing in front of a closed door. Behind it is a teenager’s bedroom, and your task is to rate how messy it is on a scale of 1 to 10. But here’s the twist: you can’t open the door – ...