Jumping genes have been a powerful force in human evolution.
“Us and Them,” a new exhibit at the Musée de l’Homme in Paris, draws on genetics, psychology, anthropology and sociology to examine why racism and prejudice persist.
The most detailed atlas of the seafloor ever compiled offers colorful imagery and ghostly glimpses of Earth’s glacial past.
Unlike snakes, blennies evolved fangs before venom, through probably not because of any need to hunt big prey.
A dynasty may have risen from the dead in an ancient Chaco great house.
Immune system cells called macrophages help heart cells rhythmically contract, maintaining the beat of mice’s hearts.
Copper Age Iceman froze to death, with shoulder and head damage.
Excess gamma rays are still unexplained, but they might not come from dark matter.
The bubble that envelops the planets and other material in the solar system does not have a tail, new observations show.
The behavior, called social parasitism, has been going on for about 100 million years.
A device can keep premature lambs alive for a month in womblike conditions.
Ancient groundwater that is thousands of years old is still susceptible to modern pollution, new research suggests.
Mastodon site suggests first Americans arrived unexpectedly early.
Zika virus sticks around in the central nervous system and lymph nodes of monkeys.
Particles in quantum superposition adhere to the equivalence principle in atomic test.
Oxidizing tiny iron particles from the inside out reveals how oxidation works and could offer new vehicles for drugs or energy.
A new look at marine Trichodesmium microbes suggests trouble for nitrogen fixation in an acidifying ocean.
A gene helps nerve cell axons extend to parts of the brain to deliver serotonin, a brain chemical associated with depression.
People’s injury patterns today can’t explain how Neandertals got so many head wounds.
Mars formed farther away from the sun than its present-day orbit, not near the other terrestrial planets, new research suggests.
Scientists now rely on spacecraft to chart the intricate rings of the gas giant.
The melting of one of Canada’s largest glaciers has rerouted meltwater from one stream into another in an instance of river piracy.
For the first time, biologists have pinpointed the compound that lights up in fungal bioluminescence.
An 180-kilometer-long rift in Antarctica’s Larsen C ice shelf has forked into two branches, new satellite observations show.
