We may have found hints of gravitational waves permeating the universe

When supermassive black holes merge, they create a low thrum of gravitational waves that permeates the…

The Milky Way may have less dark matter than astronomers thought

Our galaxy may have slightly less dark matter than expected from theoretical estimates, according to a…

Black holes leak energy when they eat plasma near the event horizon

When magnetic fields around a black hole reconnect, they can slow down plasma particles near the…

Meteorites may have brought water to Earth in the recent past

We thought meteorites stopped delivering liquid water to Earth billions of years ago – but they…

Jumping into a wormhole might cause it to contract and disintegrate

Adding energy to a wormhole connecting two universes can push it out of equilibrium, which may…

How every galaxy comes from quantum fluctuations billions of years ago

All the galaxies in the universe started out in a similar way, but the forms they…

Everything we know about the universe – and a few things we don't

How big is the universe? What shape is it? How fast is it expanding? And when…

2021 preview: Three missions will make February 2021 the month of Mars

February 2021 will see three missions arriving at Mars: the Hope orbiter from the United Arab…

NASA probe on Mars may feel the ground shake as rovers land in 2021

The landings of NASA’s Perseverance rover and China’s Tianwen-1 rover on Mars could be detected by…

Weird radio beam probably isn’t aliens but it’s the best candidate yet

The Breakthrough Listen project has found a strange beam of radio waves from Proxima Centauri, which…