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This climate system is tied to more powerful typhoons, as well as famine and wildfires

A proposed rule change could expose more Americans to higher doses of radiation from nuclear facilities

Efforts to revive the thylacine and woolly mammoth are forcing conservationists to face a long-overdue debate over what kind of natural world we want to build

Other planets have moons, too. Do they get eclipses like we do?

A strange class of comet could explain the enigmatic behavior of ‘Oumuamua, the first known interstellar object—and even shed light on how Earth became habitable

A recent study in the journal Nature carries cosmos-quaking implications for our understanding of the universe—except a new preprint says that it’s wrong

Living at altitudes with less than half the oxygen at sea level, these mice have adapted to their environment in unique ways

Cyclosporiasis case numbers have skyrocketed from several dozen nationwide in June to now more than 1,000 in the state of Michigan alone

New research identifies five distinct sleep subtypes, revealing links between brain patterns, behavior and health

A rare eruption in the Indian Ocean let researchers capture one of the clearest views yet of a seafloor spreading event

A controversial geoengineering proposal suggests that brightening clouds off South America could weaken a burgeoning El Niño, but major technical and ethical questions remain

The U.S. Preventive Services Task Force is an independent group that offers guidance on what health screenings and medications health insurance should cover