Physicists thought entangled photons could only come from a laser, but now they have pulled them from simple sunlight.

Underwater recordings reveal how dolphins use different sounds to socialize and hunt, while their fish prey may be listening ...

A rare look inside the human hippocampus reveals changes in new neuron growth, memory circuits, stress responses, and ...

Federal energy data points to the fall projects that cut home bills most: air sealing, insulation, thermostat setbacks, and ...

Adults across six countries share surprisingly similar beliefs about when children develop senses, emotions, reasoning, and self control.

Blue mussels can sense signs of parasite danger in the water and reduce their feeding, revealing a hidden tradeoff between ...

Siberia is releasing far more methane than it did a decade ago, raising new concerns about natural emissions in a warming ...

A collapsing star drives a shock wave out through its own body. The wave reaches the surface and breaks through, dumping ...

Pluto's surface stays at about −393°F (−236°C), cold enough that nitrogen there isn't a gas at all but a glacier miles deep.

Researchers found that oiling raven eggs more than doubled sage-grouse nest survival and helped boost populations at treated ...

A newly defined type of heatwave is reshaping spring across the western U.S., with major consequences for snowpack, floods, ...

Unexplained experiences like sensing a presence or hearing a voice are common, and many people say they have a positive ...