The astronauts will be checked out by flight surgeons as they adjust to gravity, officials said, and should be allowed to go ...

After a grueling nine-month mission aboard the International Space Station, astronaut Sunita Williams returned to Earth ...

According to NPR, the astronauts will now participate in a 45-day progressive recovery program and follow a "structured ...

The astronauts will be checked out by flight surgeons as they adjust to gravity, officials said, and should be allowed to go ...

Ahead of Butch Wilmore’s March 18 return to Earth following his and Suni Williams’ nine-month stay in space, his daughter ...

New images of the infant universe captured by the Atacama Cosmology Telescope (ACT) are the most precise "baby pictures" to ...

Like our moon, Deimos is tidally locked to Mars, meaning the same side always faces the planet—the only side visible to ...

New research by the Atacama Cosmology Telescope (ACT) collaboration has produced the clearest images yet of the universe's ...

New data further challenge the best scientific theory of the history and the structure of the universe. But a separate recent ...

NASA astronauts Butch Wilmore and Suni Williams have returned to Earth after nine months in space, and the before-and-after ...

The new images—of when the cosmos was a mere 380,000 years old—show the "first steps towards making the earliest stars and ...

Scientists using the ACT have captured the clearest images of the universe first light, refining its age and expansion rate.