Science
Black holes, dark matter, gravitational waves and exoplanets: find out how astronomy is unlocking the secrets of the Universe.
When T Coronae Borealis the Blaze Star ignites, it could become as bright as the North Star
VLT image of the Sculptor Galaxy
Vera C Rubin Observatory is online | First images from the world’s largest digital camera
First images from the world’s largest digital camera, housed in the Vera C. Rubin Observatory, give a taste of what to expect from its upcoming 10-year survey of the night sky.
Are most of the stars we see already dead?
UK astrophysicist Alastair Gunn tackles a common myth in space science
Astronomy explained | The Zeta Reticuli double star
A guide to the Zeta Reticuli star system, facts about the binary pair, and how the stars became involved in one of the most popular UFO tales of recent decades.
If the Universe is filled with stars, why is the night sky dark?
Astronomers find missing matter in filament bridging galaxy clusters
The first day of summer – the longest day – falls this weekend. Science of the summer solstice explained
Webb and Keck see methane clouds on Titan
Solstices and equinoxes explained
How Earth's tilt and orbit gives us seasons, solstices and equinoxes, and when they are occurring in 2024.
12 ancient stones, tombs and temples across the world that align with the Sun at the solstice
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.