Unhealed bite marks on a young Albertosaurus jaw from Alberta point to a raptor about 30 times lighter, the first sign of ...

Decades of sea turtle captures at a Florida nuclear plant reveal how green turtles and loggerheads change their coastal habits as they grow.

Autistic children doing occupational therapy on horseback showed bigger drops in the stress hormone cortisol than in a clinic.

Divers found a bronze signet ring showing the Lighthouse of Alexandria, finished around 280 BC, in a sunken palace on ...

A NASA satellite image reveals the changing colors of autumn across the ancient forests and mountain meadows of southeastern ...

Lonely brown dwarfs have water and methane in their skies, but NASA’s SPHEREx data show the best models can’t yet explain ...

Conservation efforts extend far beyond national parks, and recognizing overlooked areas could help protect Earth's biodiversity by 2030.

Children who grow up with supportive relationships and positive experiences may have a lower risk of depression and other mental health problems as young adults.

A bizarre insect trapped in 99-million-year-old amber had flexible mouthparts nearly twice its body length, revealing an ...

Blood sugar patterns that standard tests miss may be linked to higher blood pressure, unhealthy cholesterol levels, and ...

A single DNA letter beside the gene MECP2 lowered its output by 30% in human neurons, and it may help explain autism in boys.

Tree rings from 199 bristlecone pines show cool droughts drained the Colorado River about as badly as warm ones over 2,000 ...