NASA's Spirit and Opportunity rovers exceeded their expected lifespan on Mars. Unique Martian weather conditions may have played a role in restoring their energy levels.

Premieres Wednesday, Jan. 22, 2025 at 9 p.m. on KPBS TV / PBS app + Encore Sunday, Jan. 26 at 9 p.m. on KPBS 2. Unidentified Flying Objects have long captivated the imagination of the public, but ...

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.

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 ...

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.

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 ...

A nova, a rare astronomical event, could be visible soon. It won't last long, and it won't occur again for several decades. How to see it in 2024.