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Tara Regio is the yellowish area to left of center, in this NASA Galileo image of Europa’s surface. This region of geologic chaos is the area researchers identified an abundance of sodium chloride. Credit: NASA/JPL/University of Arizona

Table salt compound spotted on Jupiter’s moon Europa

Slightly smaller than Earth's Moon, Jupiter's moon Europa is primarily made of silicate rock and has a water-ice crust and probably an iron-nickel core....
Konstantinos P. Giapis with his reactor that converts carbon dioxide to molecular oxygen. Credit: California Institute of Technology

Comet inspires chemistry for making breathable oxygen on Mars

Although plentiful in modern Earth’s atmosphere, molecular oxygen is extremely rare in space. Only trace amounts have been found elsewhere in our solar system...
Artwork of exoplanet HR 8799 c Credit: W. M. Keck Observatory/Adam Makarenko

Exoplanet stepping stones

Astronomers at the Caltech have obtained some of the best and the more robust data yet on the composition of a planet known as HR...
An array of 11 metasurface-based optical spectrometers, pictured here before the final fabrication step. Each spectrometer is composed of three metasurfaces that disperse and focus light with different wavelengths to different points. Credit: Faraon Lab/Caltech

Folded optical devices manipulate light in a new way

Most optical systems require in excess of a single metasurface to work legitimately. In metasurface-based optical systems, the greater part of the total volume...
Mars likely to have enough Oxygen underneath its surface to support life

Mars likely to have enough Oxygen underneath its surface to support life

A team of scientists at Caltech and the Jet Propulsion Laboratory (JPL), which Caltech manages for NASA, has calculated that water exists on Mars...
The three panels represent moments before, during, and after the faint supernova iPTF14gqr, visible in the middle panel, appeared in the outskirts of a spiral galaxy located 920 million light years away. The massive star that died in the supernova left behind a neutron star in a very tight binary system. These dense stellar remnants will ultimately spiral into each other and merge in a spectacular explosion, giving off gravitational and electromagnetic waves. Credit: SDSS/Caltech/Keck

Astronomers spot a completely new type of supernova explosion

Astronomers at the Caltech have recently observed the peculiar death of a massive star that exploded in a surprisingly faint and rapidly fading supernova. These...
An artist's impression of the jet (pictured as a ball of fire), produced in the neutron star merger first detected on August 17, 2017 by telescopes around the world, as well as LIGO, which detects gravitational waves (green ripples)

Superfast jet observed streaming away from stellar collision

Using a collection of National Science Foundation radio telescopes, Caltech scientists now confirmed that a superfast jet had been produced by the neutron star collision. They...
Conceptual illustration of a droplet containing an artificial neural network made of DNA that has been designed to recognize complex and noisy molecular information, represented as 'molecular handwriting.' Credit: Olivier Wyart

Scientists created AI from DNA

Caltech scientists have recently developed an AI made out of DNA that can tackle a classic machine learning problem by precisely recognizing written by hand...
Credit: Pixabay/CC0

Scientists can now predict intelligence from brain scans

If you've ever lied about your IQ to seem more intelligent, it's time to fess up. Scientists can now tell how smart you are...