Scientists Discover Unexpected Side Effect to Cleaning Up Urban Air

As levels of atmospheric nitric oxide decline rapidly due to air quality regulations, North American cities may soon experience higher levels of airborne organic hydroperoxides.

JPL News: Bright Areas on Ceres Suggest Geologic Activity

A new study from researchers at Caltech and JPL finds evidence of geologic activity on the dwarf planet Ceres.

A New Spin to Solving Mystery of Stellar Companions

Scientists are investigating the nature of planetary-mass bodies that orbit stars, finding new clues to their origins.

Undersea Topography Generates Hot Spots of Ocean Mixing

Underwater robots monitoring the waters off of Antarctica discover that near-bottom ocean mixing is enhanced where strong currents intersect steep undersea topography.

The Neutron Dance

Caltech geochemist John Eiler aims to reveal “the genetics of everything.”

The Grand Tour: Watson Lecture Preview

In the November 15 Watson Lecture, Professor of Planetary Science Heather Knutson will discuss exploring planets outside of our solar system.

Caltech Launches New Autonomous Systems Research Center

Caltech has created a new interdisciplinary research center focused on pioneering autonomous systems technologies.

Caltech's Konstantin Batygin Named a Packard Fellow

Caltech's Konstantin Batygin has been named one of the 2017 Packard Fellows in Science and Engineering.

New Provost Starts This Week

David Tirrell steps into new role on campus.

Scenes from Frosh Camp

Many students got their first exposure to geology on the annual hike at freshmen orientation.

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