Science
Black holes, dark matter, gravitational waves and exoplanets: find out how astronomy is unlocking the secrets of the Universe.
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.
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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.
Scientists detected a mysterious signal from deep space lasting seven hours. Now they believe they've cracked it
In 2025, astronomers detected a blast from space. Now they’re uncovering the strange processes behind the exceptional outburst
It's cracked and frozen, but it's one of the best places to search for alien life. Meet Saturn's icy moon Enceladus
Facts about Saturn's icy moon and its subsurface ocean
This is the 1,500-year-old light from a dying star – and it has a little surprise at its core
A view of what happens when a star similar to our Sun begins to die
Eight ways the Universe is trying to wipe out life on Earth – and they could happen any minute
It’s not just asteroids… here are eight other dangers from space that put life on Earth at constant risk
'Alien' material found at an ancient asteroid crater on Earth. Is this how our planet got its oxygen?
A discovery at an ancient impact crater could indicate how Earth developed enough oxygen for life to thrive
Watch tonight's asteroid near-miss live online, as the enormous space rock zips past our planet
Watch an online livestream as Near Earth asteroid 2026 JH2 makes its close fly-by of our planet on 18 May 2026
This asteroid is as big as a basketball court and it's skimming past Earth right now, even closer than the Moon
What we know about 2026 JH2 and its close-approach to our planet
An asteroid is flying past Earth tonight. Is it dangerous? Will we be able to see it? A professional astronomer reveals all
Professional astronomer answers key questions about asteroid 2026 JH2, which is set to fly past Earth on 18 May 2026
Two spacecraft photographed comet 3I/ATLAS at the same time as it flew by the Sun. Here's what they found
Comet 3I/ATLAS was imaged and studied simultaneously by the Juice and Europa Clipper spacecraft as it flew past the Sun
There's a huge wave rippling through our Galaxy, and scientists have no idea what's causing it
Scientists don't know what's causing this a ripple in our Galaxy, but it could point to a chaotic history
Meet the ghost particle: invisible, weightless and trillions of them pass through your body every second
This mystery ghost particle could hold the key to the origin of all the matter in the Universe
