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07/18/2013

Seeing Snow in Space

Kimm Fesenmaier
An international team of researchers, including Caltech's Geoffrey Blake, has used the Atacama Large Millimeter/submillimeter Array (ALMA) to capture the first image of a snow line around a Sun-like star.
07/16/2013

Evidence for a Martian Ocean

Marcus Woo
Researchers at Caltech have discovered evidence for an ancient delta on Mars where a river might once have emptied into a vast ocean. This ocean, if it existed, could have covered much of Mars's northern hemisphere.
06/26/2013

A Stepping-Stone for Oxygen on Earth

Katie Neith
A team led by geobiologists at Caltech has found evidence of a photosystem involving manganese that predates cyanobacteria, the first group of organisms to release oxygen into Earth's environment via photosynthesis.
06/13/2013

Ehlmann Named Emerging Explorer

Brian Bell
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05/02/2013

Brown, Farley, and Seinfeld Elected to National Academy of Sciences

Kimm Fesenmaier
Based on their distinguished achievements in original research, three Caltech professors—Mike Brown, Ken Farley, and John Seinfeld—are among the newly elected members and foreign associates.
04/23/2013

Watson Lecture: "Mars Science Laboratory: The Search for Habitable Environments"

Douglas Smith
John Grotzinger, Caltech’s Fletcher Jones Professor of Geology and project scientist for Curiosity—JPL’s newest Mars rover, exploring the floor of Gale Crater—will describe its discoveries so far during a free public lecture on Wednesday, April 24.
03/15/2013

Two Decades of Discoveries

Marcus Woo
This Saturday marks the 20th anniversary of inaugural observations of the 10-meter telescope at W. M. Keck Observatory.
03/12/2013

Astronomers Observe Planets Around Another Star Like Never Before

Marcus Woo
Thanks to a new high-tech gadget, astronomers have observed four planets orbiting a star relatively close to the sun in unprecedented detail, revealing the roughly ten-Jupiter-mass planets to be among the most exotic ones known.
03/05/2013

A Window Into Europa's Ocean Lies Right at the Surface

Kimm Fesenmaier
Caltech and JPL researchers have found the strongest evidence yet that water from the vast liquid ocean beneath the frozen exterior of Jupiter's icy moon Europa actually makes its way to the surface.
02/28/2013

Planetary Astronomer Wins Feynman Prize for Excellence in Teaching

Marcus Woo
John A. Johnson, assistant professor of planetary astronomy at the California Institute of Technology (Caltech), has been awarded the Richard P. Feynman Prize for Excellence in Teaching.