The determination of accurate stellar ages and masses is essential for astronomy - but notoriously difficult. Various methods have been developed for stars of all types, achieving differe...

Cambridge, MA - Astronomers from Durham University and the Harvard-Smithsonian Center for Astrophysics (CfA) have found evidence that the faintest satellite galaxies orbiting our own M...

Cambridge, MA -

About twenty-five percent of young stars in our galaxy form in clustered environments, and stars in a cluster are often close enough to each other to affect the way they accrete gas and g...

A new paper by Laura Kreidberg from the Harvard-Smithsonian Center for Astrophysics (CfA) reports observations of the ultra-hot Jupiter WASP-103b by NASA's Hubble Space Telescope (HST) an...

Cambridge, MA - When NASA's Parker Solar Probe launches into space from the Kennedy Space Center, it will begin its journey to the Sun, our nearest star. The Parker Solar Probe will tr...

GW170817 is the name given to a gravitational wave signal seen by the LIGO and Virgo detectors on 17 August 2017. Lasting for about 100 seconds, the signal was produced by the merger of t...

Cambridge, MA - Astronomers have made the first definitive detection of a radioactive molecule in interstellar space: a form, or isotopologue of aluminum monofluoride (26AlF). A team l...

Astronomers in the past decade have detected thousands of galaxies dating from epochs only a few billion years after the big bang. Many of them, discovered in deep optical and near-infrar...

Cambridge, MA - In the blink of an eye, a massive star more than 2 billion light-years away lost a million-year-long fight against gravity and collapsed, triggering a supernova and for...