Booking your reservation for the July 2026 tour can happen starting at 9 a.m. May 4 Pacific time, but keep in mind that ...

John Casani spent more than half a century turning speculative ideas about distant worlds into working spacecraft that could survive the trip. His quiet influence at NASA’s Jet Propulsion Laboratory ...

Add Yahoo as a preferred source to see more of our stories on Google. They say Mars' mantle has created a 'geological time capsule' of when the planet was first formed billions of years ago. “What we ...

“The Hunt for Space Rocks” chronicles JPLs pioneering work to understand asteroids and comets as part of NASA’s larger effort to protect our planet from cosmic marauders. From JPL’s effort to mount a ...

Relative sizes of the newly discovered habitable-zone planets and Earth. Left to right: Kepler-69c, Kepler-62e, Kepler-62f and Earth (except for Earth, these are artists' renditions). Image credit: ...

It’s not little green men with flying saucers and laser guns that scientists are worried about, instead our foes will be much ...