Category: Science

Three NASA astronauts and a fourth from the Russian space agency returned to Earth from the International Space Station on Friday morning after weather-related delays.

Health officials say that recalls of onions — the suspected source of the contamination — would help lessen the risk to consumers. Other major fast-food chains have also stopped offering onions.

The body’s cooling defenses fail at lower “wet bulb” temperatures than scientists had estimated.

Climate change, civil conflict and growing resistance to insecticides and treatments are all contributing to an alarming spread of cases.

His provocative research made him a popular figure on campus. But his exploration of how good people can turn evil raised ethical questions.

In recent decades, fast-growing blazes were responsible for an outsize share of fire-related devastation, scientists found using satellite data.

Two people sharing a home caught the virus without known exposure to animals. More than 30 human cases have been reported in the United States.

She lived to 28, roaming the Yellowstone area with her many offspring while becoming a favorite among both residents and visitors.

An annual assessment by the world body tracks the gulf between what countries have vowed to do and what they’ve actually achieved.