A strikingly bright feature has been seen in one of Cassini's first radar images of Titan.
NASA's Spitzer Space Telescope is helping astronomers better understand how stars form out of thick clouds of gas and dust.
Sensitive detectors that may help find habitable planets orbiting distant stars as part of NASA's Kepler Mission are undergoing tests at NASA Ames Research Center in Northern California.
The intense thunderstorms responsible for this week's deadly outbreak of tornadoes were imaged by NASA's CloudSat satellite on February 5.
NASA satellites were on the watch as the 2007 Atlantic hurricane season unfolded.
Two different teams of ocean adventurers set records this winter crossing the Tasman Sea. Both used maps of ocean currents made possible by ocean-observing satellites.
One of Saturn's rings does housecleaning, soaking up material gushing from the fountains on Saturn's tiny ice moon Enceladus, according to new observations from the Cassini spacecraft.
During four months prior to the fourth anniversary of its landing on Mars, NASA's Mars Exploration Rover Opportunity examined rocks in the western portion of Victoria Crater.
Astronomers have discovered galaxies in the distant universe that are ancestors of spiral galaxies like our Milky Way.
NASA's Spirit rover is spending its fourth anniversary on Mars at the northern edge of a low plateau. It landed on Mars Jan. 4, 2004, Universal Time (Jan. 3, 2004, Pacific Time).
Planets and spacecraft sprung forth from JPL's float in this year's Rose Parade. The float's theme highlighted the upcoming 50th anniversary of the JPL-designed and built Explorer 1, the first U.S. satellite to orbit Earth.
Happy holidays, courtesy of the Cassini-Huygens Project Team studying Saturn.
Now playing online -- a new Martian movie showing the planet rotating.
NASA's Dawn spacecraft has begun its interplanetary cruise phase for the 8-year, 3-billion mile journey to asteroid Vesta and dwarf planet Ceres.
A powerful jet from a supermassive black hole is blasting another galaxy, according to new results from NASA telescopes, including Spitzer.
It's not every day that a NASA scientist can wake up and think, "Hey, I did something for world peace."
A new instrument under development at Palomar Observatory aims to reveal new worlds by blocking out starlight.
The two moons of Mars, Phobos and Deimos have been the focus on recent observations by the Compact Reconnaissance Imaging Spectrometer of Mars, an instrument on NASA's Mars Reconnaissance Orbiter.
Comet 17P/Holmes, now visible in the night skies, has been captured by the JPL-built and designed Wide Field and Planetary 2 Camera, onboard NASA's Hubble Space Telescope.
Rocky planets might have formed or might still be forming around a star in the Pleiades star cluster, according to evidence from NASA's Spitzer Space Telescope and a ground-based telescope.› Read more →