During a nova event, explains NASA, energy explodes from a white dwarf star. Hounsell said white dwarf stars aren't much larger in size than planet Earth. Usually they're too dim to see at night, but ...

NOVA takes you inside the missions that rewrote the story of the outer solar system: NASA’s Voyager 1 & 2 capture Neptune’s supersonic winds, and rings around a tipped-over Uranus.

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 ...

National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.

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 ...