New results from the Spitzer Space Telescope put limits on the size of the asteroid 'Oumuamua.
Whitney Clavin
Caltech and partners built an instrument that will capture high-speed solar particles hurtling toward Earth.
The dust storm on Mars could keep Opportunity from calling home until early September.
Whitney Clavin
Pasadena will be hopping with space events the week of July 14-22.
Data from NuSTAR show that a well-studied luminous star is accelerating particles to high energies.
Caltech has been awarded a contract extension to continue to operate the Jet Propulsion Laboratory.
Robert Perkins
ECOSTRESS, an Earth science instrument built by JPL, is headed to the International Space Station.
Caltech team draws space-themed work at Pasadena Chalk Festival.
One of the thickest dust storms ever observed on Mars has been spreading for the past week and a half.
The Curiosity rover has found new evidence that Mars could have supported ancient life.
Scientists from NASA's Juno mission describe the ways in which lightning on Jupiter is actually analogous to Earth's lightning.
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