
Test your brain on these mind-bending scientific riddles
10 December 2025
A bizarre Christmas dinner invitation, some mysterious carol singers and even a spot of charades. Can you solve all 12 of our unique festive riddles?

10 December 2025
A bizarre Christmas dinner invitation, some mysterious carol singers and even a spot of charades. Can you solve all 12 of our unique festive riddles?

20 October 2025
The comet-like object Chiron has been caught in the process of forming new rings, which could help us understand how these complex systems work

6 October 2025
Some habitable worlds orbiting dead stars could be kept alive for aeons thanks to a quirk of Einstein’s theory of gravity

9 September 2025
Some cosmic events could have profoundly altered the lives of our ancient human relatives. Did Neanderthals go extinct, at least in part, due to changes in Earth’s magnetic field? Did Australopithecus witness huge meteorite impacts?

5 September 2025
A possible galaxy named Capotauro may have formed within 90 million years of the big bang – but astronomers can’t be sure that’s what it is

13 August 2025
Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient origins and glimpsing the destiny that awaits it in the distant future

10 July 2025
Observations from NASA’s Juno spacecraft reveal that Jupiter’s strong magnetic field and the unique properties of its plasma can produce a truly novel kind of extraterrestrial wave near its poles

2 July 2025
From generation ships to climate change, there has been some stellar sci-fi out in the past six months. Our columnist Emily H. Wilson picks her favourites

23 June 2025
Astronomers have been trying to detect atmospheres on planets orbiting TRAPPIST-1, but bursts of radiation from the star make this challenging

16 May 2025
Stars that pass close to the solar system could pull planets out of alignment, sending them hurtling into the sun or out into space