Thursday, August 30, 2012 | 9:05 am
NASA’s Dawn spacecraft arrived at the giant asteroid Vesta on July 15, 2011 PDT (July 16, 2011 EDT) and is set to depart on Sept. 4, 2012 PDT (Sept. 5 EDT). Image credit: NASA/JPL-Caltech › Larger view PASADENA, Calif. – NASA’s Dawn spacecraft is on track to b... More »
Thursday, August 30, 2012 | 12:00 am
The Princeton Review has named Caltech to its “2013 Green Honor Roll.” Caltech is among 21 schools that received the highest possible score—99—in an analysis that looked at 806 institutions and rated them on environmentally related practices, policies, and aca... More »
Wednesday, August 29, 2012 | 6:05 pm
Tropical Storm Isaac continues to bring high winds and heavy rainfall to much of the Gulf Coast. The strength of the storm is reflected in this infrared image from the Atmospheric Infrared Sounder (AIRS) instrument on NASA’s Aqua spacecraft. The colors represe... More »
Wednesday, August 29, 2012 | 3:35 pm
Colorful Colossuses and Changing Hues A giant of a moon appears before a giant of a planet undergoing seasonal changes in this natural color view of Titan and Saturn from NASA’s Cassini spacecraft. Image Credit: NASA/JPL-Caltech/SSI Posing for portraits for NA... More »
Wednesday, August 29, 2012 | 1:35 pm
Soil clinging to the right middle and rear wheels of NASA’s Mars rover Curiosity can be seen in this image taken by the Curiosity’s Navigation Camera after the rover’s third drive on Mars. Image credit: NASA/JPL-Caltech NASA’s Mars rover Curiosity has set off ... More »
Wednesday, August 29, 2012 | 11:05 am
Curiosity Leaves Its Mark This image shows a close-up of track marks from the first test drive of NASA’s Curiosity rover. Image credit: NASA/JPL-Caltech NASA’s Curiosity rover took its first test stroll Wednesday Aug. 22, 2012, and beamed back pictures of its ... More »
Wednesday, August 29, 2012 | 10:35 am
A Sky Chock-Full of Black Holes With its all-sky infrared survey, NASA’s Wide-field Infrared Survey Explorer, or WISE, has identified millions of quasar candidates. Image credit: NASA/JPL-Caltech/UCLA NASA’s Wide-field Infrared Survey Explorer (WISE) mission h... More »
Tuesday, August 28, 2012 | 7:05 pm
Color-enhanced image of sea surface heights in the Gulf of Mexico, showing Hurricane Isaac’s path through the Gulf and around its warmest waters. Image credit: LSU Earth Scan Laboratory/U. of Colorado CCAR/NASA-JPL/Caltech › Larger view Seven years after the p... More »
Tuesday, August 28, 2012 | 5:05 pm
The long-term decline of the global concentration of atmospheric ethane (blue line) has closely matched the long-term decline of the global growth rate of atmospheric methane (pink line). This association suggests that changes in fossil fuel use are responsibl... More »
Tuesday, August 28, 2012 | 4:05 pm
With students and NASA space shuttle astronaut Leland Melvin looking on, musical artist will.i.am posts a tweet soon after his song “Reach for the Stars” is beamed back from the Curiosity Mars rover and broadcast to a live audience at NASA’s Jet Propulsion Lab... More »
Tuesday, August 28, 2012 | 2:30 pm
This image of a sea-urchin embryo shows where two different regulatory genes are being expressed, labeled in fluorescent green and red. [Credit: Caltech/Isabelle Peter] As an animal develops from an embryo, its cells take diverse paths, eventually forming diff... More »
Tuesday, August 28, 2012 | 12:00 am
“Turbulence is everywhere,” says Beverley McKeon—from continent-spanning weather systems down to the swirls of air your car leaves behind itself as you drive. “I think about things like ships, planes, and pipelines,” she explains, noting that about half of t... More »