Stem cell aging is potentially worrisome because it diminishes the body’s natural ability to repair tissues and organs.

Time dilation, a captivating concept embedded in Einstein’s theory of relativity, has been experimentally validated on Earth.

Weak magnetic fields once exposed humans to radiation. People adapted with shelter, clothing, and mineral protection. Our ...

HOUSTON, Texas -- NASA astronaut Mark Vande Hei broke an American record for spending the most time in space, but there is much discussion in his first news conference back on Earth that focused ...

Spaceflight accelerates aging in blood stem cells, raising health risks for astronauts and offering insights into human aging ...

The appeal is straightforward. Solar panels on Earth depend on weather. They shut down at night, sulk under clouds, and fade during winter. In contrast, a solar array parked 36,000 kilometers above ...

A total lunar eclipse will turn the moon blood red for millions across Asia and Europe overnight on Sept. 7-8. Here are the ...

Did you know nearly 17,500 satellites have been launched since 1957? Or what about the fact that more than 10% of those ...