Molecular evidence from a 2-million-year-old southern African hominid species indicates sex and genetic differences in P. robustus.

Simulations show that the stars’ tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.

A new genetic study could help saolas survive by enabling better searches through environmental DNA. But some experts fear they may be extinct already.

The Trump administration is cutting $1 billion in grants that support student mental health. That has educators worried.

The personalized CRISPR treatment could be the future of gene therapy, but hurdles remain before everyone has access.

New studies show that astrocytes, long thought to be support cells in the brain, are crucial intermediaries for relaying messages to neurons.

Ancient scavengers of the beached beasts turned their bones into implements that spread across a large area, researchers say.

Common bedbugs experienced a dramatic jump in population size about 13,000 years ago, around the time humans congregated in the first cities.

A January executive order by President Donald Trump designates people as female if they make the “large” reproductive cell (the egg) and male if they make the ...

A 47-million-year-old cicada fossil from Germany’s Messel Pit could teach us about the evolution of insect communication.

You lay a plastic sheet on the mud. Then you lay your body upon the sheet. Without any direct contact between mud and body, you spend several minutes enjoying the soft and saunalike heat, sweating all ...

A scientist who worked on the National Climate Assessment explains how stopping work on it may make us more vulnerable to extreme weather disasters.