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Caltech's NIRES Instrument Achieves "First Light"

A new Caltech-built instrument at Keck Observatory has captured its first spectral image.

New Windows on Nature: Caltech's Instrument Makers

In this 2017 address, President Rosenbaum discusses the history, future, and critical importance of the instruments designed and built by Caltech researchers.
photo of the lecture

New Faculty Join Caltech in 2017

In 2017, Caltech welcomed 20 new faculty members to the Institute's six divisions—specialists in fields ranging from entomology to quantum physics.
photo of wistaria on Arms Laboratory at Caltech

Update on Neutron Star Smash-Up: Jet Hits a Roadblock

Whitney Clavin
Light detected from a neutron star merger is not from a super-fast jet as previously suspected, but rather a bubble-like cocoon.

Stripes May Help Solve Riddle of Superconductivity

Whitney Clavin
Striped patterns of electrical charges may help crack mystery of high-temperature superconducting materials.
Illustration shows the “rivers of charge”

Public Input Sought on Removal of Caltech Submillimeter Observatory from Maunakea

Caltech is proceeding to decommission the Caltech Submillimeter Observatory (CSO) on Hawaii Island's Maunakea. CSO began operations in 1987 and ceased scientific observations in September 2015.
photo of the Caltech Submillimeter Observatory (CSO)

A New Spin to Solving Mystery of Stellar Companions

Whitney Clavin
Scientists are investigating the nature of planetary-mass bodies that orbit stars, finding new clues to their origins.
Artist's concept of brown dwarf

Science Meets Art in a Warehouse in Brooklyn

Whitney Clavin
LIGO scientists met with artists to gain new perspectives on their research.
A loft space at Pioneer Works

J. N. Franklin, 1930-2017

Robert Perkins
Joel (J. N.) Franklin, who taught mathematics at Caltech for nearly a half-century, passed away on November 18 at the age of 87.

Zwicky Transient Facility Opens Its Eyes to the Volatile Cosmos

Whitney Clavin
The latest workhorse camera at Palomar Observatory will scan the majority of the night sky every night, looking for cosmic events as they happen.
ZTF First Light image