NASA Mars Orbiter Sees Effects of Ancient Underground Fluids

SAN FRANCISCO - Liquid or gas flowed through cracks penetrating underground rock on ancient Mars, according to a report based on some of the first observations by NASA`s Mars Reconnaissance Orbiter.

NASA`S Spitzer First to Crack Open Light of Faraway Worlds

NASA`s Spitzer Space Telescope has captured for the first time enough light from planets outside our solar system, known as exoplanets, to identify signatures of molecules in their atmospheres.