Science
Black holes, dark matter, gravitational waves and exoplanets: find out how astronomy is unlocking the secrets of the Universe.
Scientists can't agree how quickly the Universe is expanding, and it's challenging our best theories of the cosmos
Why cosmologists can’t agree on an answer to how fast the Universe is expanding.
Webb directly images a huge 'super Jupiter' exoplanet close to Earth, and it's one of the coldest ever seen
Why Venus spins backwards
Why does planet Venus rotate backwards when compared with all the other planets?
Climate change is slowing Earth's spin and making its days longer, NASA-funded study shows
What do you think about the prospect of finding alien life? UK academics launch global survey on extraterrestrial intelligence
The fingerprints of extraterrestrial life could be found in the atmospheres of distant worlds beyond our Sun
The equilibrium, or lack of it, in an exoplanet's air could point to life, writes Lewis Dartnell.
How Earth's tallest volcano compares to volcanoes on planets across our Solar System
How does Mauna Kea measure up to other volcanoes in our cosmic neighbourhood?
If life does exist on Jupiter and Saturn's icy moons, we may not need to dig too deep to find it, says new NASA study
The largest volcano in the Solar System? It's called Olympus Mons, it's on Mars and it completely dwarfs Mount Everest
Emission nebula vs reflection nebula
Confused about emission and reflection nebulae? This is our primer explaining the difference between the two.
Nearby 'eyeball' exoplanet could be our best chance yet of finding liquid water beyond the Solar System
Webb Telescope sees food for future stars surrounding a trio of galaxies at the dawn of time
Gas reservoirs spotted around early galaxies for the first time
Is comet C/2023 A3 doomed?
Black hole TON 618
TON 618 is a contender for largest black hole discovered, being 40 billion times the mass of the Sun and 30-40 as wide as our Solar System.
Galileo's observations of Jupiter changed how we view the Universe
How simple observations of Jupiter and its largest moons changed the course of scientific history.
50 of the greatest, most famous astronomers of all time
Our pick of the men and women who transformed our understanding of the Universe.
Richat Structure from space
What is the strange bull's eye in the Sahara, oft photographed from space?
There are appear to be hundreds of spiders on Mars, but what actually are these strange formations?
"I'm an exoplanet scientist. This is how we use the Webb Telescope to analyse the clouds of hot Jupiter gas giants"
Venus's ashen light: the mysterious glow from the dark-side of second planet from the Sun
For hundreds of years, astronomers have pondered whether there is any truth to testimonies of a glow illuminating the dark side of Venus.
Venus – the history of the deadliest planet in the Solar System
A guide to the planet Venus: its surface, its atmosphere, its volcanoes and the history of its exploration.
Could we find aliens by detecting solar panels on a distant planet?
Where is Ibiza? Images of the Spanish island from space show its location and major cities
Astronomers you should know | Clyde Tombaugh
The story of the American amateur astronomer who made an incredible discovery.