- September 19, 2025
Quantum computers have finally achieved unconditional supremacy
Quantinuum’s quantum computer Quantinuum What can quantum computers do that their traditional counterparts absolutely cannot? This is one of the
Around one-third of AI search tool answers make unsupported claims
How well-supported are the claims made by AI tools? Oscar Wong/Getty Images Generative AI tools, and the deep research agents
Jaguar breaks records by swimming at least 1.3 kilometres
Jaguars are known to be strong swimmers Matthias Graben/imageBROKER RF/Getty Images Camera traps show that an adult male jaguar swam
Iridescent mammals are much more common than we thought
The tropical vlei rat has fur that shimmers with iridescent hues Jessica Leigh Dobson More than a dozen mammal species
Possible galaxy spotted by JWST could be the earliest we’ve ever seen
The possible galaxy in an image from the James Webb Space Telescope NASA, ESA, CSA, CEERS, G. Gandolfi Astronomers might
Early penguins may have used dagger-like beaks to skewer prey
Ancient relatives of penguins diversified quickly after the Cretaceous mass extinction event MARK P. WITTON/SCIENCE PHOTO LIBRARY Four new fossil
The best new science fiction books of September 2025 by authors including Cixin Liu and John Scalzi
In Mason Coile’s Exiles, a human crew arrive on Mars Shutterstock/Gorodenkoff There are some sci-fi heavy hitters with new novels
Volcanic eruptions may have helped spark the French Revolution
An illustration of an uprising that preceded the French Revolution Stefano Bianchetti/Corbis via Getty Images Severe volcanic eruptions and changes
JWST gets a closer look at interstellar comet 3I/ATLAS
Infrared images of 3I/ATLAS captured by the James Webb Space Telescope NASA/James Webb Space Telescope The interstellar visitor 3I/ATLAS is
Antibiotics normally don’t increase the risk of autoimmune disorders
Antibiotic use can have knock-on effects on the immune system UrbanImages/Alamy Children exposed to antibiotics in the womb or early