While genetic tests can reveal the ancestry of enslaved individuals, strontium analysis can now home in on where they actually grew up.

Science dioramas of yesteryear can highlight the biases of the time. Exhibit experts are reimagining, annotating — and sometimes mothballing — the scenes.

Rivers began pumping weathered material into the sea about a billion years after Earth formed, suggesting continents may have gotten an early start.

Men have two birth control options: condoms and vasectomies. Why has it taken so long to develop more contraceptives?

Well, rats. A study of 16 cities shows that higher ambient temperatures and loss of green space are associated with increasing rodent complaints.

In a lab test, chimps and orangutans can recognize their own reflection. But in the wild, baboons seemingly can’t do the same.

Patients seeking an opioid-free way to handle pain experienced in the short-term will soon have a new option.

Many blacktip reef sharks in French Polynesia are commonly fed by tourists. But the low-quality diet is changing the sharks’ behavior and physiology.

Scratching an itch can bring a contradictory wave of pleasure and misery. A mouse study on scratching, reported in the Jan. 31 Science, fleshes out this ...

Samples from NASA’s OSIRIS-REx mission show the asteroid Bennu had organic molecules and minerals and possibly salty water and other life ingredients.

A compact method of detecting neutrinos provides new tests of physics theories and could lead to new reactor-monitoring methods.

Death by heartbreak doesn't just happen in stories. In real life, severe stress can cause the sometimes-fatal takotsubo syndrome.