Famous black hole jets’ energy measured in a first
Astronomers have long struggled to clock the speed and power of Cygnus X-1, a famous stellar-mass black hole…
Supergiant Star Makes Rare Leap to Hotter Phase, Astronomers Say
Long-term observations of WOH G64 — once considered the most extreme red supergiant star in its galaxy —…
Webb Identifies Supernova Progenitor Star in NGC 1637
Using the NASA/ESA/CSA James Webb Space Telescope, astronomers have for the first time identified the progenitor of a…
VLT Reveals Secrets of Old Stellar Couple
A stunning new image from the SPHERE (Spectro-Polarimetric High-contrast Exoplanet Research) instrument on ESO’s Very Large Telescope (VLT)…
Supergiant Star Collapsed into Stellar-Mass Black Hole in Andromeda Galaxy
Using archival data from NASA’s NEOWISE mission along with data from other space and ground-based observatories, astronomers identified…
Astronomers Detect Celestial ‘Wake’ from Betelgeuse’s Companion Star
New multi-year observations from the NASA/ESA Hubble Space Telescope and ground-based telescopes at the Fred Lawrence Whipple Observatory…