Planets Without Suns - Planet with hot, molten surface.

Planets Without Suns: Can They Sustain Life?

Planets without suns float around orphaned in interstellar space. We've always assumed they couldn't support life. Find out why that view is changing. (4:30 min read)

Habitable Planet Orbiting Black Hole

Habitable Planets Orbiting Black Holes

Habitable planets orbiting a black hole are the setting for the Christoper Nolan film "Interstellar." Find out what scientists found when they considered the possibility in real life. (4:30 min read)