Four astronauts returned to Earth on Saturday after hustling to the International Space Station five months ago to relieve the stuck test pilots of Boeing’s Starliner.

CHICAGO (AP) – James Lovell, the commander of Apollo 13 who helped turn a failed moon mission into a triumph of on-the-fly can-do engineering, has died. He was 97.

The Trump administration is moving to shut down two NASA missions that monitor a potent greenhouse gas and plant health, potentially shutting off an important source of data for scientists, policymakers and farmers.

CAPE CANAVERAL, Fla. (AP) – The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another star. NASA and the European Space Agency released the latest photos Thursday.

KARACHI, Pakistan (AP) – For the past decade, Sughra Ayaz has traveled door to door in southeastern Pakistan, pleading with parents to allow children to be vaccinated against polio as part of a global campaign to wipe out the paralytic disease. She hears their demands and fears.

A baby boy born last week to an Ohio couple developed from an embryo that had been frozen for more than 30 years in what is believed to be the longest storage time before a birth.

WASHINGTON (AP) – The Department of Health and Human Services will cancel contracts and pull funding for some vaccines that are being developed to fight respiratory viruses like COVID-19 and the flu.

LONDON (AP) – Chinese authorities have taken measures this week to try to curb the spread of chikungunya, a virus that often causes fever and joint pain. As of Wednesday, the government reported there had been more than 7,000 cases, mostly in the southern manufacturing hub of Foshan.