Knife-toothed reptiles called sebecids went extinct on the mainland 10 million years ago. New fossil evidence puts them on an island 4 million years ago.  [...]

These hands-on displays might be used to create more immersive video games, educational tools and museum exhibits.

Water drops produce electricity when dripped through a small tube. That power might be harnessed as renewable energy in rainy places.  [...]

Scientists aboard a research vessel near Los Angeles collected ash, air and water samples as fire blazed on the hills before them in January.  [...]

As calls to end fluoride in water get louder, changes to the dental health of children in Calgary, Canada, and Juneau, Alaska, may provide a cautionary tale.  [...]

Easy replication in cattle mammary glands means H5N1 bird flu is under no evolutionary pressure to adapt to spread easily in humans.  [...]

Squat rhinos lived in North America about 12 million years ago, congregating in huge, water-bound herds much like modern hippos.  [...]

More than just a cool bit of trivia, the finding raises questions about our understanding of Earth’s history.

Dubbed the “bone collector,” this caterpillar found on a Hawaiian island disguises itself while stalking spider webs for trapped insects to eat.  [...]

Hubble is still going strong 35 years after it was launched into space. Celebrate its anniversary with some out-of-this-world images.  [...]

Warming temperatures can ramp up the activity of methane-producing bacteria in wetland soils, adding to methane emissions.

The first skeletal evidence of a gladiator show or execution involving an exotic animal comes from a Roman British man with bite marks from a lion.  [...]

Societal upheaval can trigger uncertainty, which makes people susceptible to cognitive traps. Experts suggest some simple tools can help.  [...]

Scientists mapped a neural circuit that associates an unfamiliar flavor with food poisoning symptoms in mice.

Puppies with a good grasp of basic gestures, self-confidence and impulse control grow into well-behaved adults, a new study suggests.  [...]

Across much of the world, loneliness increases from middle age to later years. That trend is reversed in the United States, a new study shows.  [...]

Rising global temperatures are driving the sharp decline in terrestrial water storage. This trend isn’t likely to change, scientists say.  [...]

Autism rates are higher than ever before, probably because of more expansive and sensitive diagnoses. Those numbers highlight the need for more support for people with autism.  [...]

An overlooked Antarctic water system could raise sea levels by more than 2 meters by 2300, computer simulations show.

All about AI Scientists are working on AI technology that has brain-inspired hardware, architecture or algorithms. Such neuromorphic AI could be nimbler, more efficient and more [...]