Identity of the toe bones and other fossils could shake up the human family tree

DNA recovered from people buried at the site reveals surprises

Unusually obstructive plumage compromises the vision of two types of pheasants—a first in birds

Bats could form a bridge between marine and terrestrial mammals, scientists say

Nation was first to legally protect frozen landscapes, a key source of water

Policy drops “paylines” based on peer-review scores and requires geography and other factors to guide approvals

The studies may still hold clues to the powers and limits of GLP-1 drugs

World Health Organization supports “spatial repellents” to prevent malaria, but it’s unclear who will pay for them

Loss of federal support leads to staff layoffs and fewer committees of outside experts

With China’s surge in renewable energy, greenhouse gases are reaching a turning point

Studies raise questions about the benefits of adjusting flight paths to minimize heat-trapping clouds

Studies related to HIV and other infectious diseases will be phased out, sources say; fate of the agency's animals remains unclear

State-level mandates prompt changes and small acts of resistance at universities

Science talks with two scientists about finding the beauty in nature’s mosaics

Wave of mass brutality accompanied the collapse of the first pan-European culture

Specialized hair cells pick electric currents induced by magnetism

NASA-funded planetary science institute previously scrubbed hundreds of records from its archive

The marine worm’s unusually structured proboscis could inspire future soft-bodied robots

Number of new grants fell by 20%, but got larger, as funder braced for potential budget cut

Researchers at Tibetan observatory trace gamma ray light back to violent microquasars

Astronomers approach unusual observation with caution and excitement

Whether neural organoids feel pain or should be placed in animals are among the questions swirling around biology’s hot new technology

Study of continental U.S. sees stable population of bugs, but it may be missing important pieces of the puzzle

With details as fine as short-term weather forecasts, model achieves newfound accuracy