America’s national parks offer access to a huge variety of stunning natural wonders. From desert vistas to richly colorful geothermal hot springs and sparse mou ...

Out in the Kuiper Belt, the massive doughnut of debris beyond Neptune, about one in 10 kilometer-scale objects have surprised scientists with their unexpected shape. Rather than resembling a ball, ...

Centromeres play virtually the same central role across the entire tree of life: They ensure the faithful segregation of ...

A new study provides a clearer timeline for one of the most significant prehistoric sites worldwide for the study of human ...

Yosemite National Park will no longer require vehicle reservations in 2026, a move praised by some for expanding access but criticized by others.

National Parks officials say requiring reservations for entry to Yosemite was problematic. But conservation groups say dropping the policy will lead to congestion and environmental strain.

In the oceans and on land, scientists are discovering rare, transitional organisms that bridge the gap between Earth’s simplest cells and today’s complex ones.

From steaming volcanic vents to glowing salt flats, these surreal California landscapes look so otherworldly they feel pulled straight from another planet.

Scientists propose that eukaryotes formed when an Asgard archaeon entered into a close partnership with an alphaproteobacterium. Over time, the two organisms became permanently linked. The ...

We like to say that we love our fear because our fear keeps us alive, our fear keeps us vigilant.” Rudolph is the founder of ...

According to Taketani, “This litter is also ultra-low dust, improving indoor air quality and respiratory health for cats and ...

Young women ages 15 to 18 are invited to apply for the 2026 Armstrong Scholars Program, an immersive wilderness and leadership experience in Yosemite.