James Webb Space Telescope just sent back its first image – of itself

NASA engineers working to align the 18 hexagonal mirrors of the James Webb Space Telescope have…

Huge nuclear explosion in space is so rare we may never see one again

Astronomers say a “hyperburst” nuclear explosion within a neutron star could explain its strange behaviour –…

First hints of a planet orbiting in a white dwarf’s habitable zone

Astronomers have found 65 evenly spaced rocks orbiting a white dwarf star in its habitable zone,…

Tiny exoplanet Proxima d is third spotted in nearest star system to us

A star system just 4.2 light years away called Proxima Centauri is already known to contain…

Moonfall review: Finally an apocalypse movie that’s fun to watch

Moonfall is a disaster movie that starts slow, but when it gets going it is packed…

Biggest comet from outer solar system ever seen is 137 kilometres wide

Astronomers have calculated the size of a ‘mega comet’ originating in the Oort Cloud, a cluster…

First truly isolated black hole detected in interstellar space

Rogue black holes are usually detected by the matter falling into them, but the first truly…

Mars may have been habitable millions of years later than we thought

Analysis of minerals in a Martian meteorite suggest that the planet may have begun to be…

Moons might not form around rocky planets much larger than Earth

Astronomers have found lots of exoplanets but not much evidence of exomoons, and a new model…

We may now know why Uranus and Neptune are different shades of blue

Uranus is pale blue in colour while Neptune is a deeper shade of blue, and an…