Re-examining data from an old mission brings new insights to the question of whether Jupiter's moon Europa has the ingredients to support life.
The Mars InSight mission has successfully launched from Vandenberg Air Force Base and is on its way to the Red Planet.
A new study from researchers at Caltech and JPL finds evidence of geologic activity on the dwarf planet Ceres.
Robert Perkins
Caltech's Bethany Ehlmann will receive the 2017 Harold C. Urey Prize for outstanding achievement in planetary research by an early-career scientist.
The Mars Curiosity rover has provided evidence that an ancient lake on Mars supported chemical reactions that are fundamental to the basic functions of life.
NASA's Curiosity Mars rover has sampled sand dunes on Mars in the first close-up study of active dunes anywhere other than Earth.
Robert Perkins
A new study adds 41 new types of cyanobacteria, and helps pin down when in history they "invented" oxygen-producing photosynthesis.
Robert Perkins
Caltech provost Edward Stolper will be honored with the highest award of the Mineralogical Society of America, recognizing his outstanding original research.
Lori Dajose
From October 16–22, Caltech and nine other institutions are participating in Pasadena Astronomy Week to celebrate the city's rich history in astronomy.
Lori Dajose
Caltech's partnership with NASA's Jet Propulsion Laboratory has made possible countless discoveries about our universe. Current Caltech faculty are participants on 12 missions.
Whitney Clavin
Caltech scientists look forward to data from NASA's Juno mission, now in orbit around Jupiter.
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