A devastating, nearly mile-wide "wedge tornado" has killed at least 26 people and battered Mississippi with golf ball-size hail and winds up to 200 mph.

An object once thought to be a radio galaxy is actually an active black hole that changed angles to point directly at Earth, new research suggests.

Astronomers used gravitational lensing and supercomputers to identify the colossal black hole, which is among the largest ever found.

Human longevity records may be broken in the next few decades, a new modeling study suggests.

A 2020 report from the Centers for Disease Control and Prevention has found that the prevalence of autism spectrum disorder among 8-year-old children is the highest it's ever been.

Researchers used the AI system AlphaFold to develop a tiny "syringe" that can inject proteins into cells.

Inbreeding among an endangered population of orcas off the coasts of British Columbia, Washington and Oregon is a cause for concern.

Researchers have determined the cause of an unusual behavior in funnel weaving spiders that involves the females curling up as if they're dead before having sex.

Heavy rain in Australia has led to an influx in venomous spiders being washed into people's swimming pools. Species found include funnel-web spiders, the venom of which is so toxic it can kill a child in just 15 minutes.

The bounds on Ramsey numbers, which describe relationships between nodes in a network, have been narrowed.

A new analysis of a mummified "mermaid" found in a Japanese temple has revealed exactly what it is made from, and it's not what scientists thought.

From programs to build supersonic flying saucers to atomic bombs, here are the most fascinating declassified military and CIA secrets.

The connections between different regions of the brain responsible for language processing depend on which language you grew up with.

Why we wear green and other holiday curiosities.

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