The global die-off of coral reefs signals a critical shift in Earth’s climate system with global environmental consequences along with economic ones.

Protein is having a moment. But even if most people are eating enough protein, studies suggest they may not be eating the right mix.

The growth spurt hints that the free-floating object evolves like a star, providing clues about rogue planets’ mysterious origins.

Sensor data reveal greater noctule bats chasing, catching and chewing on birds during high-altitude, nighttime hunts.

Richard Robson, Susumu Kitagawa and Omar Yaghi developed metal-organic frameworks, structures that can collect water from air, capture CO₂ and more.

Diagnoses for several cancers before age 50 have been increasing rapidly since the 1990s. Scientists don’t know why, but they have a few suspects.

Age and gender bias in online images feeds into AI tools, revealing stereotypes shaping digital systems and hiring algorithms, researchers report.

In the 1980s, John Clarke, Michel Devoret and John Martinis demonstrated quantum effects in an electric circuit, an advance that underlies today’s quantum computers.

The advance hints at the possibility of portable muon-making devices that could help peer through solid materials for hidden contraband.

Some dogs love playing with toys so intensely they can’t stop—offering scientists a window into behavioral addictions.

Shimon Sakaguchi discovered T-reg immune cells. Mary Brunkow and Fred Ramsdell identified the cells’ role in autoimmune disease.

Taste and smell are so intimately connected that a whiff of well-loved foods evokes their taste without any conscious effort. Now, brain scans and machine learning have for the first time pinpointed ...