Using NASA's Swift spacecraft, an international team of astronomers have performed X-ray observations of a classical nova ...

"Operation Space Station: High-Risk Build" debuts Nov. 5, 2025 at 9 p.m. ET on PBS. "Operation Space Station: Science and ...

Proxima Centauri, the sun’s nearest neighbor among the stars, is 25 trillion miles away from Earth. Even if it had a family of planets, no telescope could reveal them. According to Sir James Jeans, a ...

The hunt is on for Earthlike planets outside our solar system that may harbor life. Astronomer Geoff Marcy explains the challenges of finding infinitesimally small planets orbiting huge, very bright ...

This is what it would be like to walk on the surface of Venus. The surface of Venus is comparable to the bottom of Earth’s oceans with one major difference: Venus has the hottest planetary surface in ...