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They've done it. Scientists have found a green star. Here's the science behind the new discovery and the technicolour cosmos
Astronomers have discovered that white dwarf stars can glow a variety of different colours, including the first known star that glows green
'I found the biggest ever haul of organics on Mars.' Meet the scientist at the centre of the search for life on the Red Planet
Dr Amy Williams and her team discovered the largest collection of organic compounds on Mars in a sample collected by the Curiosity rover
'I’m very optimistic there's life out there.' This scientist says the search for alien life is only getting started
How scientists are searching for signs of alien technology across the Galaxy
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This is a real image of a huge 'super Jupiter' exoplanet near Earth, and it's one of the coldest ever seen
Epsilon Indi Ab is a super Jupiter exoplanet 12 lightyears from Earth and was directly imaged by the James Webb Space Telescope in 2024.
Our galaxy could be filled with rogue planets wandering through space. This powerful spacecraft is tracking them down
It’s thought our Galaxy is filled with wandering worlds, untethered to any star. ESA’s Euclid telescope is now tracking down these roaming rogue planets.
The next planet alignment is coming. How to see the Solar System worlds stretching across the sky this autumn
Mercury, Venus, Mars and Jupiter will be visible in a planet alignment, November 2026
Psychedelic Saturn! What's going on with these pop art images of the ringed planet?
Colourful Saturn images show real data captured by Hubble
If this type of planet existed in our Solar System, Earth would be in serious danger
Imagine if the planet Jupiter orbited much closer to the Sun. What effect would a so-called hot Jupiter have on our Solar System?
You can study black holes in your kitchen sink. This book on gravity wants to change the way we think about the most fundamental force
A guide through the mind-bending physics of gravity with science writer James Riordan
Our ancestors saw this weird object in the sky nearly 1,000 years ago. Now one of our most powerful telescopes just got a brand new look at it
The Gemini North telescope has captured a detailed image of Pa 30, the remnant of a supernova seen in in the sky in the year 1181
Orionids 2024 | How to see this year's meteor shower
See the Orionid meteor shower peak this week with our beginners' guide.
Scientists have detected a strange signal that took 10 billion years to reach Earth. It has come from deep space near the dawn of time
What is the strange signal that originated when the Universe was just 3 billion years old?
The building blocks of life on Earth have been found around distant stars that are similar to our Solar System
Discovery suggests raw ingredients for life are common in the dusty discs out of which planets are born.
Yes, scientists have captured real images showing black holes and their ferocious power. Here are some of the most spectacular
Real images showing the locations of black holes, as seen by how they glow in wavelengths of light and fire jets out into space
Our Galaxy was flipped on its side. Here's the genius trick astronomers used to work it out
Research suggests a violent collision may have tipped the Milky Way’s disc over
The Sun's fury could spoil your next holiday. Scientists say aircraft need more protection from solar storms
Researchers found aviation safety frameworks fail to account for extreme radiation
Antimatter is leaking out of our Galaxy into intergalactic space, say astronomers
Gamma-ray hotspots suggest the Milky Way is making more antimatter than we thought
Betelgeuse has a companion star – so why hasn't Hubble been able to see it? Astronomers may finally have worked out where it's been hiding
Hubble couldn’t catch the red giant’s companion. We might now know why
See the Draconid meteor shower tonight. Top tips for beginners observing the 2026 Draconids
Get all the info you need to see a shooting star in this 1-minute read.
Draconids | How to see this year's meteor shower
Find out how to spot a Draconid meteor with our beginner's guide.
There's a strange cloud on Mars that can only be explained with 'exotic physics'. Scientists think they've finally solved the mystery
Scientists say they've solved the mystery of the Arsia Mons Elongated Cloud on Mars
This star is so weird, some think it could host an alien megastructure. Now scientists may finally have solved the mystery
Why is the star known as Tabby's Star so weird?
Good morning Mars! New image shows crisp view of morning light over distant Martian mountains. This is what it would be like to walk on the Red Planet
An image of the morning light on Mars and distant cliffs, as seen by NASA's Curiosity rover
Planet Mars or ice cream? Five times the Red Planet looked absolutely delicious (and the science behind what's really going on)
Views of Mars captured by the Mars Express orbiter
