Nasa astronaut Sunita Williams finally returned to Earth after her prolonged nine-month stay at the International Space ...

My god, it's full of stars. Astronaut and astrophotographer Don Pettit captured this deeply trippy image from the ...

There will be no better sight for veteran NASA astronauts Butch Wilmore and Sunita 'Suni' Williams today than Earth, as the ...

NASA astronaut Don Pettit captured this stunning long-exposure view of Earth and stars from space at night from the International Space Station.

On an episode of “The Story Behind the AP Story,” Associated Press space writer Marcia Dunn discusses the space odyssey of ...

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

The final results from the Atacama Cosmology Telescope offer the sharpest, most sensitive view of the early cosmos that ...

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

New research by the Atacama Cosmology Telescope, or ACT, collaboration has produced the clearest images yet of the universe’s ...