Close Encounters: Comet Siding Spring Seen Next to Mars

This composite NASA Hubble Space Telescope Image captures the positions of comet Siding Spring and Mars…

NASA-led Study Sees Titan Glowing at Dusk and Dawn

New maps of Saturn’s moon Titan reveal large patches of trace gases shining brightly just off…

NASA’s Hubble Telescope Finds Potential Kuiper Belt Targets for New Horizons Pluto Mission

Peering out to the dim, outer reaches of our solar system, NASA’s Hubble Space Telescope has…

NASA Mission Provides Its First Look at Martian Upper Atmosphere

NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft has provided scientists their first look at a…

NASA Mission Finds Widespread Evidence of Young Lunar Volcanism

NASA’s Lunar Reconnaissance Orbiter (LRO) has provided researchers strong evidence the moon’s volcanic activity slowed gradually…

NASA Shares What MAVEN Spacecraft Has Seen in its First Few Weeks at Mars

NASA will host a news teleconference at 2 p.m. EDT Tuesday, Oct. 14, to announce early…

NASA Mission Points to Origin of “Ocean of Storms” on Earth’s Moon

Using data from NASA’s Gravity Recovery and Interior Laboratory (GRAIL), mission scientists have solved a lunar…

NASA’s Newest Mars Mission Spacecraft Enters Orbit around Red Planet

NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft successfully entered Mars’ orbit at 10:24 p.m. EDT…

NASA Mars Spacecraft Ready for Sept. 21 Orbit Insertion

NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft is nearing its scheduled Sept. 21 insertion into…

Hubble Helps Find Smallest Known Galaxy Containing a Supermassive Black Hole

Astronomers using data from NASA’s Hubble Space Telescope and ground observation have found an unlikely object…