
REM sleep may reshape what we remember
Researchers trace how different sleep stages may fine-tune what we remember, trading specifics for more general knowledge.
By Sascha Pare published
The South Atlantic Anomaly, a huge weak spot in the geomagnetic field off South America, has expanded and sprouted a lobe in the direction of Africa over the past decade.
By Harry Baker published
Earth from space A 2025 satellite photo shows a particularly complex section of the Yarlung Zangbo River as it twists its way through the Tibetan Plateau. This part of the "braided" waterway has experienced drastic visual changes over recent decades, which could soon be accentuated by climate change.
By Patrick Pester published
Researchers have identified a massive red supergiant on the brink of supernova in images from the James Webb Space Telescope, shedding light on a decades-old star mystery.
By Deepa Jain published
The metal-coated asteroid Psyche may have had eruptions of molten iron and nickel on its surface. This situation was more likely if the space rock is made of the same chemicals as metal-rich meteorites, a new study suggests.
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By Kristina Killgrove published
Do you have what it takes to be a bone-ified quiz champion?
By Skyler Ware published
The newly discovered ichthyosaur dubbed Xiphodracon goldencapsis was about 10 feet long and had a sword-shaped snout.
By Chris Simms published
Naked mole rats may have specific roles, such as cleaning the toilet chamber or transporting waste, rather than being generalist helpers. The findings suggest naked-mole-rat colonies are even more complex than we thought.
By Sascha Pare published
The Asian golden cat is an elusive creature endemic to South and Southeast Asia. It is known to take down prey much larger than itself, including buffalo calves, baby deer and small muntjacs.
By Harry Baker last updated
Science crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
By Kit Yates published
Opinion Thousands of scientific papers are retracted every year because of fraudulent activity, with both authors and journals gaming a system to gain academic acclaim through deceit, dishonesty and false representation.
By Carlo Kopp, David Green, Fatima Seeme published
Opinion The pervasive spread of misinformation can be tracked to cognitive limitations, social influence and the global spread of online networks. Combatting it has become an "arms race" between truth and lies.
By Larissa G. Capella published
For the first time, physicists have simulated what objects moving near the speed of light would look like — an optical illusion called the Terrell-Penrose effect.
By Paul Sutter published
Planets that orbit white dwarf stars should be too hot to host alien life, theories suggest. But a new study accounting for Einstein's general relativity may rewrite that rule.
By Patrick Pester published
The 2025 Nobel Prize in Physics has been awarded to John Clarke, Michel H. Devoret and John M. Martinis "for the discovery of macroscopic quantum mechanical tunnelling and energy quantisation in an electric circuit."
By Patrick Pester last updated
Susumu Kitagawa, Richard Robson and Omar Yaghi awarded the 2025 Nobel Prize in Chemistry "for the development of metal–organic frameworks."
By Kimberley Lane published
Deals The Celestron NexStar 8SE is now the cheapest we've seen it since January — and there's no guarantee it'll be discounted for Black Friday, either.
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