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Caltech

Caltech is a world-renowned science and engineering research and education institution, where extraordinary faculty and students translate big ideas into big discoveries.

This image captured by the Hubble Space Telescope shows a region of about 5,000 galaxies located billions of light-years away. The region is located within a cosmic field called the Extended Groth Strip, one of five well-studied fields that were observed in a program called CANDELS, for Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey. In this new view, taken as part of a program called UVCANDELS, ultraviolet and blue optical light have been added into the imagery, in addition to the optical and infrared light observed previously. Ultraviolet light and blue optical light are shown in blue; red light appears green; and near-infrared light is red. The region pictured covers 9 square arcminutes, which is the equivalent of about one percent the size of the full moon on the sky.

Thousands of Galaxies Shine in Ultraviolet Light in New Hubble Image

Categories Space, Technology

A molecular model of the outside (cytoplasmic) face of the nuclear pore complex. Reprinted with permission from C.J. Bley et al., Science 376, eabm9129 (2022).

Decoding a Key Part of the Cell, Atom by Atom

Categories Health

Human cells

How Cells Navigate in Messy Environments

Categories Health

Making Robotic Assistive Walking More Natural

Categories Health, Technology

Rapid Adaptation of Deep Learning Teaches Drones to Survive Any Weather

Categories Technology

An illustrated view of a black widow pulsar and its stellar companion. The pulsar's gamma-ray emissions (magenta) strongly heat the facing side of the star (orange). The pulsar is gradually evaporating its partner.

“Black Widow” Star Devours Its Rapidly Circling Companion

Categories Space

Image: Artist’s illustration of what a large-scale carbon capture plant could one day look like. (Courtesy of Chengxiang Xiang/Captura)

Startup from Caltech Nabs XPRIZE Award

Categories Earth, Energy & Environment, Technology

Fighting cancer with sound-controlled bacteria

Categories Health, Technology

What do planets outside our solar system, or exoplanets, look like? A variety of possibilities are shown in this illustration. Scientists discovered the first exoplanets in the 1990s. As of 2022, the tally stands at just over 5,000 confirmed exoplanets. Credit: NASA/JPL-Caltech

Exoplanet Count Tops 5,000

Categories Physics & Mathematics, Space

quantum computing illustration

Chaining Atoms Together Yields Quantum Storage

Categories Physics & Mathematics, Technology

A Microbial Compound in the Gut Leads to Anxious Behaviors in Mice

Categories Brain & Behavior, Health

Mouse with glass of water

How Gut Neurons Communicate with the Brain to Control Thirst

Categories Bloggers

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Bloggers

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