Faint distant galaxies spotted by JWST may be closer than they appear

Because of a calibration update for one of the James Webb Space Telescope’s main cameras, research…

Physicists work out how many moons Earth could have

Simulations suggest that Earth could theoretically host two more moons the size of the one we’ve…

Interstellar meteorite may be awaiting discovery on the sea floor

A pair of astronomers say that classified US government sensors detected an interstellar meteor hitting Earth…

Mars astronauts would get unsafe radiation doses even with shielding

Simulations show that a 1000-day mission to Mars would expose astronauts to radiation doses above 1…

How to spot the group of stars known as the Teapot

Look out for the Teapot, a group of stars that looks as if it has the…

Shredded dwarf galaxies may lack dark matter to hold them together

Many dwarf galaxies torn up by the gravity of nearby objects may not have any dark…

How to spot the 2022 Perseid meteor shower that will peak on Saturday

The Perseid meteor shower will peak this year in the early hours of 13 August. A…

JWST has caught two galaxies smashing together and sparking starbursts

Two glittering galaxies 275 million light years away smash together and spur star formation in an…

Why general relativity is known as a background independent theory

Space-time isn’t expanding into anything because general relativity is what we call a background independent theory.…

JWST captures the most distant star ever seen in incredible detail

Astronomers have used the James Webb Space Telescope to take the most detailed image yet of…