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In heat wave-like temperatures, coast redwoods' photosynthesis slows down, which may put one of Earth's most efficient carbon storers in jeopardy.

The rise and fall of a continent-spanning cliff may help explain a mysterious 1-billion-year gap in Earth's geologic history, a new study suggests.

An icy window into the cosmos, a light switch for the brain and solving the mystery of mirror image molecules all took home the top prize.

Scientists are using a variety of methods to study why Kilauea has repeatedly spewed lava fountains since late 2024. They may have ruled out one theory.

Participants in two small trials lost dangerous fat around their internal organs. This fat is linked to health issues like diabetes and heart problems.

Optogenetics, recognized by the 2026 medicine Nobel, makes cells respond to light, including eye cells that normally relay signals to the brain.

Fresh boulder tracks on Mars could reveal how a quake shook the planet and help scientists detect future tremors from orbit.

A decades-old claim linking caregiving stress to risk of death has stuck around, hampering research into its benefits. But caregivers still need support.

Herugavialis is the new name for a fossil found in the same rocks that built the Great Sphinx. The reptile is a unique branch of the gharial family tree.

Neuroscientist Susana Carmona's book guides readers through a new mom's changing brain.