CfA Scientists Measure the Rate of Expansion of the Universe
Using data from the Sloan Digital Sky Survey, CfA scientists examined 264,283 galaxies and measured the signature of the acoustic waves left behind. Perhaps the…
Using data from the Sloan Digital Sky Survey, CfA scientists examined 264,283 galaxies and measured the signature of the acoustic waves left behind. Perhaps the…
New maps from the Fermi-LAT Collaboration show that the galactic center produces more high-energy gamma rays than can be explained by known sources, suggesting that…
Using gravitational lensing, astronomers from the Harvard-Smithsonian Center for Astrophysics measured the spectra of carbon, nitrogen, carbon monoxide, and water in a galaxy seen a…
CfA astronomers used the Submillimeter Array to probe the transition disk around Sz 91, finding that it is more like a ring than a disk…
Researchers have discovered the first direct evidence of cosmic inflation, confirming a deep connection between quantum mechanics and general relativity. Almost 14 billion years ago,…
Using ten years’ worth of optical, infrared, and X-ray data on LMC X-3, astronomers developed a model that can successfully explain the workings of an…
Two new studies report that X-rays emanating from the hearts of nearby galaxies and galaxy clusters could be signs of particles of dark matter decaying…
By combining computer simulations with multi-band observations, two new studies examine how luminosity, star formation, dust heating, and other effects evolve during a galaxy collision….
Using the VERITAS gamma-ray telescope, astronomers studied a mysterious VHE gamma-ray source from the constellation of Cygnus that has no known counterpart at other wavelengths….
New research from the Harvard-Smithsonian Center for Astrophysics reveals new insights into how cosmic seeds can grow into massive stars. Cambridge, Massachusetts – New images…
A newly completed statistical study of the optical and infrared properties of 330,811 galaxies traces the evolution of galaxies that host massive black holes. Our…
A new theoretical paper from researchers at the Harvard-Smithsonian Center for Astrophysics finds there is a way in principle to make a black hole with…
Using a coordinated set of widely separated radio telescopes, astronomers tracked the motions of masers over a ten-year period, finding that they moved at velocities…
Researchers from the Harvard-Smithsonian Center for Astrophysics calibrate the strength of X-ray emission against star formation rate, finding a very good correlation. Star formation lights…
New research shows that the asteroid belt is a melting pot of objects arriving from diverse locations and backgrounds, revealing that as the planets migrated…
Using images and spectra from the Chandra X-ray Observatory, researchers discovered evidence of shock-heated gas moving at speeds of about 2200 kilometers per second in…
A newly published study looks at the formation of Pluto and its low-mass satellites, finding Pluto and Charon formed from particles that coalesced together in…
While searching Kepler data for exomoons, astronomers discovered the first Earth-mass planet that crosses in front of its host star. Cambridge, Massachusetts – An international…