Data from NuSTAR show that a well-studied luminous star is accelerating particles to high energies.
Robert Perkins
Marco Bernardi and David Hsieh rule out a commonly held belief about a promising solar cell material
Using the W.M. Keck Observatory, researchers have found the primary source of heavy elements in dwarf galaxies.
Whitney Clavin
A new computer program will allow astrophysicists to better model extreme events involving neutron stars.
Whitney Clavin
A Caltech-led astronomy team is homing in on the nature of extreme objects known as ULXs.
Astronomers using the Keck Observatory have discovered that certain groups of stars were kicked out from the flat disk of our galaxy.
A new study offers the best measurements yet of the densities of the TRAPPIST-1 planets.
Lori Dajose
A group of 10,000 citizen scientists from all over the world helped to identify signals from five planets orbiting a distant star.
A new Caltech-built instrument at Keck Observatory has captured its first spectral image.
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.
Whitney Clavin
Scientists are investigating the nature of planetary-mass bodies that orbit stars, finding new clues to their origins.
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