Newly discovered cliffs in the lunar crust indicate the moon shrank globally in the geologically recent past and might still be shrinking today, according to a team analyzing new images from NASA's ...

(PhysOrg.com) -- By the middle of next week, NASA's Mars Odyssey orbiter will have worked longer at Mars than any other spacecraft in history. Odyssey entered orbit around Mars on Oct. 24, 2001. On ...

NASA's Mars Reconnaissance Orbiter is a powerful spacecraft that launched in 2005 and arrived in orbit around the Red Planet a year later. See amazing photos from the MRO mission here in this ...

Solar Orbiter, a new collaborative mission between ESA (European Space Agency) and NASA to study the Sun, launched at 11:03 p.m. EST Sunday on a United Launch Alliance Atlas V rocket from Launch ...

On August 10, 1966, Lunar Orbiter 1 blasted off from Cape Canaveral, Florida, on a mission to begin a massive photographic survey of the lunar surface. Four days later, it became the first U.S.