Bone and muscle deterioration, radiation exposure, vision impairment -- these are just a few of the challenges space ...

The Blue Ghost spacecraft, named for a species of firefly, took eclipse chasing to new heights. Not only did it see the Earth block the Sun from an unexplored location on the Moon, but the lander fell ...

You never really know what to expect at a chai cafe open until 4 a.m. on a busier-than-usual street in suburban Lombard ...

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

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

Since those early steps, extravehicular activity has helped provide the solutions to many problems that astronauts face in ...

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

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

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

Cosmic microwave background data support cosmology’s standard model but retain a mystery about the universe’s expansion rate.

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

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...