Since the 1970s, astronomers have predicted that Sagittarius A*, the supermassive black hole at the centre of the Milky Way, ...

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

Compared to the drawn-out chirps of black hole binaries on decaying orbital spirals, it was a sharp crack. The best ...

A black hole is growing at one of the fastest rates ever recorded, according to a team of astronomers. This discovery from ...

Researchers think a mysterious signal, dubbed GW190521, could have arrived from a parallel universe after passing through a ...

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...

We might have seen our first wormhole in the universe. A signal detected in 2019 could have come from another universe, passing through a wormhole that collapsed after forming from a black hole ...

An artist's concept of a supermassive black hole, a surrounding disk of material falling towards the black hole and a jet ...

Scientists have recently traced enigmatic “heartbeat” signals to a black hole located 1,000 light-years from Earth. These rhythmic emissions, reminiscent of a cosmic heartbeat, offer intriguing ...

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They discovered that the Chandra spectrum closely matched what they expected from models of black holes expanding faster than ...

Ten years ago, astronomers made history when they first detected ripples in spacetime, called gravitational waves, from the collision of two black holes. That moment in 2015, known as GW150914, ...