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

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.

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

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

Megadroughts are increasing worldwide — and they’re also becoming both hotter and drier. Over the last 30 years, Earth has experienced an uptick in both frequency and intensity of these ...

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 ...

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

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

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

Casarabe people grew the nutritious crop year-round on savannas thanks to networks of drainage canals and ponds.

A recent flurry of executive orders and surprise actions by the Trump administration have roiled WHO, the CDC and the international public health community.