Science
Black holes, dark matter, gravitational waves and exoplanets: find out how astronomy is unlocking the secrets of the Universe.
ESA Proba-3 mission first images
ESA Flyeye telescope first light
No, time isn't the same everywhere. Just ask Einstein and his 'speeding train' thought experiment
Astronomers look back in time, see enormous black hole firing out a jet, illuminated by the glow from the Big Bang
NASA's PUNCH spacecraft captures stunning images of eruption from the Sun. And that's just the beginning
Solar Orbiter sees Sun's south pole for first time
Comet Hale-Bopp, the story of a visitor from the edge of the Solar System
What was Comet Hale-Bopp, how was it discovered and why was its appearance in the night sky so important? Katrin-Raynor Evans explores the history of this celestial visitor.
11 questions about black holes - answered!
Answers to some of the most commonly-asked questions surrounding black holes.
NASA may have worked out how Mars lost its atmosphere
The biggest threats to Earth from space
There are many hazards waiting out in the cosmos to pose a threat to our planet. Here are four of the biggest.
Mars at sunrise – NASA probe captures breathtaking view of giant volcano peeking through Red Planet's clouds
New US quarter coin honours astronomer whose work radically transformed our understanding of the Universe
No, the Sun isn't on fire, or burning. Here's what's really going on.
Not a burning question: it’s constant nuclear fusion that creates the Sun’s heat and light.
Astronomers are discovering 'zombie galaxies' in deep space that are mysteriously coming back to life
Two galaxy clusters 2.8 billion lightyears from Earth have smashed into one another, and are about to do it again
Mars may once have had rings, which could help explain where its largest moon came from
Solar storms are causing Elon Musk's Starlink satellites to fall from the sky faster than expected
Researchers say rising solar activity is shaking up life in low-Earth orbit.
Astronomers detected a strange radio and X-ray signal in deep space, unlike anything they've seen before
The Universe may end in a 'big crunch' after all. Discovery sheds light on energy determining the fate of the cosmos
New data suggests that dark energy’s pulling power is changing,
An eclipse-chaser's paradise! In this 6-star system, every sun regularly undergoes an eclipse
3 pairs of stars have been discovered 1,900 lightyears away in a system that sees each star regularly undergo an eclipse.
Rogue stars have been found roaming in between galaxies
Is there such thing as a wandering star? Could rogue stars be ejected from their galactic systems and roam freely throughout space?
How many stars are born each day? Are more being born than dying, or vice-versa?
What is the rate of star formation in the Universe, and are there more stars dying than being born, or vice-versa?
5 hypothetical stars we've yet to discover
There could be dozens of strange stellar objects still left to discover. Here are some of the strangest hypothetical stars thought to exist.
Astronomy explained | What are stars?
What is a star? How does a star form and die? Find out in our guide packed with facts about stars and answers to some of the most commonly-asked questions.