Mercury may have shrunk because magma was being piped to the surface

Mercury started shrinking rapidly just after its formation, which may be explained by magma travelling from…

New picture of famous black hole reveals its swirling magnetic field

The team that released the first image of a black hole in 2019 has added magnetic…

NASA’s InSight lander has measured the size of Mars’s molten core

The InSight lander has observed more than 500 marsquakes so far, and it has used these…

Perseverance’s first month on Mars has yielded new sights and sounds

NASA’s Perseverance rover has now been on Mars for about a month, and in that time…

What is the spring equinox and is it something worth celebrating?

Do the spring and autumn equinoxes give us days and nights of the same length? It…

Elon Musk's SpaceX may have been one explosion away from going bust

The compelling story of how Elon Musk’s relentless quest to get humans to Mars helped SpaceX…

Satellite that can clean up space junk with a magnet about to launch

A satellite that grabs potentially dangerous space debris with a magnet and drags it to a…

Mars’s crust may have sucked up most of the planet’s water

Mars used to be covered in water, but it dried out billions of years ago. A…

A Japanese spacecraft bombed an asteroid and it barely flinched

When the Hayabusa-2 spacecraft bombed the asteroid Ryugu, boulders near the impact did not move nearly…

Seven alien space rocks should pass through our solar system each year

An estimate of the number of interstellar objects passing through the solar system suggests we should…