Science
Black holes, dark matter, gravitational waves and exoplanets: find out how astronomy is unlocking the secrets of the Universe.
Scientists could dim the Sun as a quick fix for the climate crisis. Here's why it could cause global chaos
Scientists know how to alter our atmosphere to try and fix climate change, but doing so could bring other potential unintended impacts
Astronomers see star devoured by black hole, surviving and coming back for seconds. And there's a twist...
AT2018fyk a tidal disruption event in which a supermassive black hole devoured a star, then came back for seconds
These are the best images of comet 3I/ATLAS captured so far
Images of the interstellar visitor
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Mars was once wet with a thick atmosphere. 3 billion years ago, both disappeared. Now scientists may have finally found Mars’s missing atmosphere and water
Mars’s missing atmosphere and water may have finally been found
We may need new physics. Scientists say mini-universes could form within dying stars
Could gravastars form from collapsing stars, generating mini-universes that counteract the gravitational collapse with dark energy?
"Crisis averted" – The Universe is still expanding. Scientists say they've debunked a study that claims dark energy doesn't exist
A 2026 study claims to have debunked a 2025 study announcing dark energy doesn't exist. New study says the Universe is working as expected.
Mars may have had a lost moon – could this explain why scientists are finding evidence of ancient tidal seas on the Red Planet?
Evidence of tides on Mars caused by ancient seas could point to a third, lost moon of Mars. Here's the evidence to back up the theory
What to do on disclosure day – scientists just updated the rules about how to announce extraterrestrial intelligence to the world
SETI scientists have updated protocols regarding how researchers should announce the existence of alien intelligence to the world
Scientists have made a huge discovery at the enormous black hole at the centre of our Galaxy. And they found something pointing right at it
Astronomers had spotted evidence of past eruptions from Sagittarius A*, but had never seen it happening in real time
Landmark discovery finds magnetism on distant planets – could be a game-changer in the search for life beyond Earth
Magnetic fields have been directly detected at exoplanets for the first time –discovery made during study of wind speeds on gas giants
"Our spacecraft will be extraterrestrial artefacts." Scientists scanned for alien tech at interstellar comet. Here's what they found
Extraterrestrial intelligence experts scanned comet 3I/ATLAS looking for technosignatures
Webb Telescope snaps interstellar comet – proves it's like nothing we've ever seen in our own Solar System
NASA releases the results of the James Webb Space Telescope's observations of comet 3I/ATLAS in December 2025
Dark stars – the weird, invisible monsters of the early Universe that could still exist today
Astronomers think the earliest stars in the Universe may not have given off any light at all. But if these weird objects were never visible, how can they be detected?
This is the coldest place in the Universe we know of. It's a dying star called the Boomerang Nebula
The Boomerang Nebula is the only known place colder than the glow left over from the Big Bang.
5 facts about the Big Bang and the birth of the Universe that will blow your mind
Want to know more about the Big Bang? Here are some of our favourite FAQs concerning the beginning of the Universe.
This is the radical new rocket tech that will put the whole Solar System within humanity's reach
A hundred years on since the first liquid-fuelled rocket, more advanced propulsion systems are on the drawing board to take us further into space than we’ve ever been
What would proof of alien life look like? Here's what scientists are really looking for
The scientific community tends to employ ‘confidence of life’ detection scales: a multi-step ‘ladder’ that begins with biosignatures.
Clouds on distant planets could be the first places we find alien life
They’ve obscured alien worlds from us for years, but clouds could turn out to be where the first hints of extraterrestrial life finally appear
This piercing glow is the ferocious light from a supermassive black hole 8 million times as massive as our Sun
A James Webb Space Telescope of spiral galaxy Messier 77, including the supermassive black hole at the galaxy's core
Why is the sky blue?
What's the scientific reason behind Earth's sky appearing blue to the human eye?
How to see this weekend's rare full Moon rise. A guide to the Blue Moon in May 2026
A guide to the May 2026 blue Moon.
Noctilucent clouds | What they are and how to see them
High altitude clouds on the edge of space, noctilucent clouds or NLCs are a delight for summer stargazers.
11,000 new asteroids discovered by a brand new observatory, including some that skim close to Earth
The Vera C. Rubin Observatory has discovered 11,000 new asteroids, including some that come close to Earth
Astronomy explained | What's a blue Moon?
What is a blue Moon and when is the next one? Find out what the term means and the astronomical definition in our blue Moon guide.
