Space missions lasting months can result in muscle atrophy, bone density loss, and fluid redistribution, all of which are amplified by microgravity.

The images were captured using NASA’s Earth Polychromatic Imaging Camera (EPIC), a 4MP CCD camera and telescope on the DSCOVR satellite ...

The project will also be home to research that addresses challenges for low-Earth orbit missions, Moon missions and even ...

The sun’s light exerts a tiny force called “solar radiation pressure” on objects in space. Lightweight human-made debris, ...

The Blue Ghost lunar lander, built by the Texas-based company Firefly Aerospace for NASA, launched to space on Jan. 15, and ...

He’d let me move the telescope around a bit, and I could ask questions. And he was always wonderful to share information with ...

The Associated Press  A woman cools herself with a fan during a hot day in London, June 26, 2024. (AP Photo/Kin Cheung, File) ...

Asteroid tracking plays a crucial role in understanding and mitigating potential threats. NASA, along with ground-based ...

The Firefly Aerospace Blue Ghost lander used one of its instruments to calculate a navigation fix at a distance of more than ...

NASA's documentary, “Planetary Defenders,” will take audiences inside the high-stakes world of asteroid hunting and planetary defense.

Following in the footsteps of Aristotle and Galileo, NASA scientists look to take the next step in understanding auroras.

Another challenge of long-duration missions is staying mentally healthy. Astronauts are often confined to small spaces for ...