Einstein’s black holes are not the black holes we see in reality

We’re only just grasping how cosmic black holes and Einstein’s theories relate – and that deepens…

Sci-fi film Aniara's best trick is to make the future feel like now

Aniara’s story of an interplanetary cruiser thrown off-course is one of 2019’s smartest movies because it…

SpaceX satellite near miss shows need for rules of the road in space

Two satellites have almost collided in space. With the number of satellites set to increase 10…

We may have seen signs of an exomoon spewing out volcanic gas

Astronomers have spotted a plume of sodium near a distant planet. The gas is so far…

Puzzling signals seen by LIGO may be gravitational wave split in two

LIGO has seen two gravitational waves in the same day in a similar place. This puzzling…

Are there any aliens out there? We are close to knowing for sure

Next-generation telescopes and new ways of detecting life on other planets are transforming the search for…

SpaceX’s Starhopper has made its highest and final test flight

Starhopper, SpaceX’s prototype of the spacecraft the firm plans to use to bring humans to Mars,…

Five of Jupiter’s newly discovered moons have been given names

Last year, astronomers announced they’d found 12 new moons orbiting Jupiter, and now five of them have…

Asteroid Ryugu has no dust on it and we don’t know why

The most detailed pictures yet from the asteroid Ryugu show it has no dust, which is…

Gravitational waves could settle mystery of the universe's expansion

Supernovae and the big bang’s afterglow give us conflicting numbers on how fast the universe is…