The patient had traveled to the Democratic Republic of Congo, the health ministry said. Workers are racing to trace those who may have had contact.

A generic version of a breakthrough cystic fibrosis drug, manufactured in Bangladesh for a fraction of the American price, may give some families around the world an unlikely lifeline.

Many philanthropists are backing away from climate giving. But one is writing very big checks.

The database of federal global warming research recreates a website that was closed amid the administration’s broad retreat from climate science.

Records are being broken for the second time in a month, leading scientists to probe the upper limits of what the warming climate can dish out.

That is good news for patients, but officials fear it will make controlling the spread of the disease harder.

The federal government wants to help utilities buy large components for up to 10 large nuclear reactors. It’s unclear which, if any, companies might participate.

Searing temperatures in Western Europe are drawing comparisons to 2003, when a deadly heat wave sparked a reckoning.

A team of historians, scientists and engineers has developed a portable X-ray scanner to study 4,000-year-old letters encased in clay envelopes.

It has stopped criminal prosecutions of people who install “defeat devices,” which make diesel trucks faster and more efficient but also dirtier.

A pilot program is building solar panels over irrigation canals to generate electricity. As a bonus, the shade prevents water from evaporating.

The White House recently endorsed monitoring sewage for evidence of drug use. Critics fear such efforts could violate privacy and stigmatize neighborhoods.

His work paved the way for the discovery of the Higgs boson, which explained how particles acquire mass, solving one of the deepest mysteries in physics.

As a new, potentially record-breaking El Niño begins, researchers are vigorously debating whether climate change is driving the phenomenon’s intensity.

As a new, potentially record-breaking El Niño begins, researchers are vigorously debating whether climate change is driving the phenomenon’s intensity.

Following the pandemic, the federal government is spending $150 million on new technology to ensure clean indoor air. Here’s what scientists are pursuing.

After his wife’s death while doing fieldwork, he rejected writing as a detached observer, setting off a profound shift in cultural anthropology.

The author of books like “The Possible Human,” she held workshops that drew on mythology, psychology and the experiential ethos of Esalen. But she refused to be called a guru.

As the game turns 5 years old, the data reveals that while standard-mode players have much more freedom, they’re not making the most of it.

British archaeologists may have found the remains of a site where people celebrated the solstice thousands of years ago, a few miles from the famed stone circle.