10/15/2016 09:46:18
Caltech's historic 400-year-old Engelmann oak has been severely weakened by a fungal infection and the ongoing drought.
photo of Caltech's Engelmann oak tree
03/15/2013 10:10:08
Marcus Woo
This Saturday marks the 20th anniversary of inaugural observations of the 10-meter telescope at W. M. Keck Observatory.
03/07/2013 13:42:29
Douglas Smith
Francis H. Clauser (BS '34, MS '35, PhD '37), the Clark Blanchard Millikan Professor of Engineering, Emeritus, passed away on March 3, 2013, at age 99. Born in the decade following the Wright Brothers' first powered flight, he was a founder of modern aeronautics and helped usher in the Space Age.
12/13/2012 19:57:09
Douglas Smith
A new era in planetary science began in 1962, when Mariner 2 and the 200-inch Hale telescope simultaneously took a close look at Venus.
11/19/2012 22:33:03
Douglas Smith
On November 20, 1969, Apollo 12 astronauts Charles Conrad and Alan Bean paid a visit to JPL's Surveyor 3, which had landed on the moon two and a half years earlier.
11/15/2012 09:11:13
Andrew Allan
If you happen to see groups of people perched in the trees along Caltech's famed Olive Walk and Beckman Mall on Friday, whacking at the branches with rakes and PVC pipes—rest assured there's nothing unusual going on. They are participants in this year's Olive Harvest Festival, just trying to gather as many pounds of olives as possible in a day's time.
10/16/2012 09:03:06
Douglas Smith
Fifteen years after its launch, the Cassini mission to Saturn continues to give us a close-up, long-term view of the ringed planet and its astonishingly diverse collection of moons. Here are some of the highlights so far.
09/26/2012 08:59:50
Kimm Fesenmaier
A new volume in the Einstein Papers Project is scheduled to be released on September 25. This volume covers a turbulent 15 months in the physicist's life and includes several hundred previously unpublished and unknown articles and letters, some of which express his desire for "a normal life."
09/22/2012 09:56:13
Douglas Smith
The space shuttle Endeavour's final flight ended Friday, September 21, when it landed at Los Angeles International Airport en route to its new life as an exhibit at the California Science Center. But without Caltech professors Christopher Brennen and Allan Acosta and alumnus Sheldon Rubin, the entire endeavor might not have been possible.
09/13/2012 11:46:57
Douglas Smith

On September 11, 1997, the Mars Global Surveyor slipped into orbit around the Red Planet. Like JPL's Mariner and Viking missions before it, MGS (as it was affectionately known) fundamentally changed our view of Mars.

09/07/2012 07:00:00
Douglas Smith

You could call it the Ultimate Evil Tanning Bed—a stainless-steel torture chamber 47 feet tall and 25 feet in diameter that's expressly designed to deliver a fatal sunburn, if at all possible, to anything placed within.

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