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Ever seen the creepy 'doorway' on Mars? We took a closer look at the image. Here's what's really going on
There's a strange feature on Mars that looks like a doorway into a cave
Scientists have detected radio signals from a planet beyond our Solar System
First time a radio signal has been confirmed as coming from a single planet rather than an entire system
Observing guide | Planets, October 2024
Our guide to observing the planets in October
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Right now is the best time to see Saturn. The planet is spectacular and its rings are on view. Here's how you can see it tonight
Saturn is at opposition in October 2026, which makes it the perfect time to observe the planet and its famous rings
A spacecraft just skimmed past our planet on its way to Jupiter. Here's its spectacular view of Earth
A beautiful view of Earth from space captured by the Juice spacecraft during a flyby of our planet on 28 September 2026
Those two bright morning stars? That's Mars and Jupiter – and the pair are going to be spectacular this month
In October 2026, Mars and Jupiter are among the highlights of the morning sky
If the Universe is filled with stars, why is the night sky dark?
Olbers' paradox says, if the Universe is infinite and filled with stars, why isn't the night sky as bright as the Sun
There's an enormous black hole pointing its jet at Earth – and scientists only found it because of a strange flash in deep space
Hidden away behind vast clouds of dust, IRAS 18293-0941 is a binary system with a black hole orbiting a massive, hot star
Mercury is shrinking faster than expected. Here's how the planet has pulled the wool over our eyes for over 50 years
The closest planet to the Sun is shrinking at an alarming rate
'Black dust covered my bed' – the day alien science smashed through a New Jersey roof
Scientists analysing the space rock have found it contains life-supporting chemistry
Earth's magnetic poles may be about to flip again. Here's how it could affect our climate
Solar radiation at the equator surges when Earth’s magnetic field reverses.
A huge chunk of our sky has been 'missing', unable to be seen. Here's the genius science behind how humanity got its sky back
Dust from our own Galaxy has blocked a key region from view, but infrared astronomy is solving the mystery.
Isaac Newton: life and discoveries of the great British scientist
A look at the life of one of history’s most famous astronomers
NASA satellite video shows an enormous volcano spewing out lava – from space
Timelapse video captured by a satellite and released by NASA shows lava spreading out from Russia’s Krasheninnikov volcano
We think of comets as harbingers of destruction. But it turns out they may be the reason life on Earth exists at all
Scientific research has strengthened theories that the ingredients for life could have been brought to Earth by comets.
Saturn's frozen moon could host alien life, say scientists
Saturn's icy moon Enceladus would theoretically be able to host some forms of microbial life, according to a scientific study
See the Harvest Moon rise with Saturn this weekend
See the September 2026 full Moon rise next to the ringed planet
When is the Harvest Moon? From London to Tokyo to New York, key timings for the full Moon this weekend
Key timings for the rise of the Harvest Moon across the world
How to see star Aldebaran, the fiery eye of the Bull
A guide to Aldebaran in Taurus and how to find it in the night sky.
Gallery | The Pleiades
A guide to M45, also known as the Pleiades, by the late Patrick Moore
Will black holes eventually consume everything in the Universe?
Black holes have a reputation for being cosmic vacuum cleaners. Does that mean they'll eventually eat all matter?
Why it's called Harvest Moon
The Harvest Moon is a sure sign that autumn is here. Here's the science behind the Harvest Moon and where it gets its name from
How to photograph the Harvest Moon
Photograph the Harvest Moon with a DSLR camera and telescope in our astophotography guide.
29 of the scariest things in space
Take our tour of terror through the cosmos.
