An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic evolution.
A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our search for extraterrestrial life.
A new study reveals that tiny fragments of Earth's atmosphere are transported to and absorbed by the moon via gusts of solar wind and our planet's magnetic field, upending a 20-year-old theory based on NASA's Apollo lunar samples.
Earth from space A 2016 astronaut photo of the Bahamas shows a series of luminous, rippling sandbanks partly carved out by a coral reef. The image also reveals subtle differences in the ocean's surface caused by a steep, hidden ocean drop-off.
Glacial earthquakes are rocking the Doomsday Glacier in Antarctica.
Spotted Lake is a soda lake that evaporates every summer, leaving a white crust with circular brine pools that can appear blue, green or yellow.
Archaeologists have announced their discovery of a metal hoard that contained an extremely rare example of a Celtic battle trumpet.
Hunter-gatherers cremated the headless body of a woman in a pyre around 9,500 years ago in what is now Malawi.
The 1,100-year-old burials of three elite warriors — two of whom were possibly father and son — have been discovered in Hungary.
Life's Little Mysteries If you're looking for weird facts about animals, gross human body facts or just something a bit random, get ready to geek out with these fascinating bits of trivia.
Humans have undoubtedly bred cats to create certain breeds, but did any of these feline breeds emerge naturally?
The dino lived during the Late Cretaceous alongside other hadrosaurids in present-day New Mexico.
Previous research on the effect of wolves on the food web has been criticized, raising questions about the predator’s role in the Yellowstone ecosystem.
A new study reveals that nerve cells receive periodic infusions of mitochondria from neighboring cells — and this may point to a new way of treating nerve pain.
A man visited a hospital because of bladder discomfort, and his doctors discovered a remarkably large bladder stone.
Federal health officials are attempting to make the U.S. childhood vaccine schedule more like that of Denmark. Experts say the decision lacks scientific backing.
C-reactive protein — a marker of inflammation — is as easily measured with blood work in a doctor’s office as cholesterol.
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Extraordinary images of our sublime universe
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There are several methods for detecting whether a piece of text was written by AI. They all have limitations – and probably always will.
A new study argues that AI can never be more creative than humans, but many experts argue that AI's output will only ever be as good as its input — with the goalposts shifting as AI improves in the years to come.
The new storage system could hold family photos, cultural artifacts and the master versions of digital artworks, movies, manuscripts and music for thousands of years, scientists say.
In a short talk at Caltech, physicist Richard Feynman laid out a vision of manipulating and controlling atoms at the tiniest scale. It would precede the field of nanotechnology by decades.
Science crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
There's a total solar eclipse taking place in August 2026, so prepare yourself by picking up a safe set of the best solar eclipse glasses.
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