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For a bacterium, the world can be a tough place to survive, a constant competition for food and space. Some bacteria, like Pseudomonas aeruginosa,...

A new paper explores the physics that drive big earthquakes along plate boundaries New research from Caltech seeks to explain the size of the forces...

Date Time Shape of Star Explosions When massive stars end their lives in fiery explosions called supernovae, their ashes fly outward to form expanding clouds of debris. While these clouds may look roughly spherical, astronomers think that star explosions are in fact lopsided events in which different amounts of material shoot outward in different directions. Now, astronomers have a new tool to better understand the asymmetrical shapes of supernova explosions, and thus how stars explode in the f...

Caltech's draft Site Decommissioning Plan (SDP) to remove the Caltech Submillimeter Observatory (CSO) and restore the site was unanimously approved by...

Tales Of Our Times: Political Tug Of War Stifles News Of Voting Technology Political Tug Of War Stifles News Of Voting Technology Voting in the 21st century is at the juncture of three working cultures that diverge so widely they barely speak the same language. Yet, the business of voting systems has the greatest built-in importance across societies. Trouble at the juncture is certain. That trouble, though, now shows new and healthy signs of moving into a forum known for its rare ability to for...

Mastcam-Zs First 360-Degree Panorama This is the first 360-degree panorama taken by Mastcam-Z, a zoomable pair of cameras aboard NASAs Perseverance Mars rover. The panorama was stitched together on Earth from 142 individual images taken on Sol 3, the third Martian day of the mission (Feb. 21, 2021). Credits: NASA/JPL-Caltech/MSSS/ASU NASAs Mars 2020 Perseverance rover got its first high-definition look around its new home in Jezero Crater on Feb. 21, after rotating its mast, or head, 360 degree...

Date Time New Insight into Nonlinear Optical Resonators Unlocks Door to Numerous Potential Applications Optical resonators, which circulate and confine light (for instance in lasers), are currently used in a variety of applications of all sizes-from pinpoint light sources smaller than the width of a human hair to kilometer-scale sensing devices such as the Laser Interferometer Gravitational-wave Observatory (LIGO) experiment that detects gravitational waves. Devices known as optical parametric ...

Throughout much of 2020, observers in the Northern Hemisphere found themselves tracking the gas giants Jupiter and Saturn as they appeared to inch closer...

The Perseverance rover will look for signs of ancient life in Jezero crater, a spot Brown researchers have studied for years and championed during the...