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

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

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

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.

Bats may broadcast their personalities to others from a distance, new experiments suggest, which could play into social dynamics within a colony.

Weather data show how humankind’s burning of fossil fuels made the hot, dry, windy weather more likely, setting the stage for the Los Angeles wildfires.

Found in a roughly 350-year-old manuscript by Dutch biologist Johannes Swammerdam, the scientific illustration shows the brain of a honeybee drone.

Cricket frogs were once thought to hop on the water’s surface. They actually leap in and out of the water in a form of locomotion called porpoising.

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.