When it comes to the space sciences, nothing is quite as exciting as the search for alien life, and NASA thinks it has a good idea of where to look.

Add Yahoo as a preferred source to see more of our stories on Google. NASA's Jet Propulsion Laboratory in La Cañada Flintridge. About 550 people are being laid off as part of an ongoing reorganization ...

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: ...

Ground-penetrating radar reveals a long-lost river system hidden under the surface of Mars. (NASA/JPL/UCLA/UiO/ETH Zurich) ...

Jezero Crater’s rocks reveal three stages of water activity, shifting from hostile acidic fluids to more life-friendly alkaline ones. Perseverance’s discoveries guide future sampling and strengthen ...

Since NASA's Mars Reconnaissance Orbiter arrived at Mars in 2006, the spacecraft has delivered some of the most detailed ...