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NASA and families of fallen astronauts mark 40th anniversary of space shuttle Challenger accident

Credit: AP/John Raoux

NASA and families of fallen astronauts mark 40th anniversary of space shuttle Challenger accident

Study shows how earthquake monitors can track space junk through sonic booms

Study shows how earthquake monitors can track space junk through sonic booms

Astronauts say space station’s ultrasound machine was critical during medical crisis

Astronauts say space station’s ultrasound machine was critical during medical crisis

Indonesian handprints are the oldest cave art found yet

Indonesian handprints are the oldest cave art found yet

New study suggests the rapid construction of data centers will drive up energy bills

New study suggests the rapid construction of data centers will drive up energy bills

NASA astronaut who was stuck at the space station for months retires within a year of returning

NASA astronaut who was stuck at the space station for months retires within a year of returning

More Science 小萝莉影视

This out-of-the-way Smithsonian campus houses more than 150 million museum specimens

This out-of-the-way Smithsonian campus houses more than 150 million museum specimens

Surfer bitten in 4th shark attack off Australia’s east coast in 3 days

Surfer bitten in 4th shark attack off Australia’s east coast in 3 days

Researchers find Antarctic penguin breeding is heating up sooner, and that’s a problem

Researchers find Antarctic penguin breeding is heating up sooner, and that’s a problem

Northern lights sightings possible Monday night in DC area

Northern lights sightings possible Monday night in DC area

Elephant seals return to A帽o Nuevo State Park. Visitors watch battling bulls and 75-pound pups

Elephant seals return to A帽o Nuevo State Park. Visitors watch battling bulls and 75-pound pups

Artemis II is on the move

Artemis II is on the move

NASA’s new moon rocket moves to the pad ahead of astronaut launch as early as February

NASA’s new moon rocket moves to the pad ahead of astronaut launch as early as February

‘The world will have a look’: Rollout of NASA’s Artemis II stack gets underway

‘The world will have a look’: Rollout of NASA’s Artemis II stack gets underway

Sharks are famous for fearsome teeth, but ocean acidification could make them weaker

Sharks are famous for fearsome teeth, but ocean acidification could make them weaker

All systems go for rollout of 11-million-pound stack containing rocket for Artemis II mission

All systems go for rollout of 11-million-pound stack containing rocket for Artemis II mission

Judge allows a third offshore wind project to resume construction as the industry challenges Trump

Judge allows a third offshore wind project to resume construction as the industry challenges Trump

Ailing astronaut returns to Earth early in NASA’s first medical evacuation

Ailing astronaut returns to Earth early in NASA’s first medical evacuation

Mummified cheetahs found in Saudi caves shed light on lost populations

Mummified cheetahs found in Saudi caves shed light on lost populations

CDC studies show value of nationwide wastewater disease surveillance, as potential funding cut looms

CDC studies show value of nationwide wastewater disease surveillance, as potential funding cut looms

An ongoing Smithsonian study of our region’s cutest apex predator (and its poop!)

An ongoing Smithsonian study of our region’s cutest apex predator (and its poop!)

NASA sends 4 astronauts back to Earth in first medical evacuation

NASA sends 4 astronauts back to Earth in first medical evacuation

The mysteries of Mother Nature come to life at this hidden Md. Smithsonian campus

The mysteries of Mother Nature come to life at this hidden Md. Smithsonian campus

Doctors say changes to US vaccine recommendations are confusing parents and could harm kids

Doctors say changes to US vaccine recommendations are confusing parents and could harm kids

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