Orion is one of the most famous constellations in the night sky. Orion, "the Hunter" is arguably the most recognizable constellation in the world. It lies on the celestial equator, mak…

The object we call now SN 1006 which 1st appeared on May 1, 1006 A.D was the brightest observed stellar event in recorded history, reaching an estimated −7.5 visual magnitude. It was far brighte…

The Fermi Large Area Telescope can detect a brightening or appearance of a gamma ray source, even toward the bright steady glow of our Galaxy. This allows the study of transient and variable Gal…

An artist's impression of the quasar Pōniuāʻena, the first quasar to receive an Indigenous Hawaiian name. (Image: International Gemini Observatory/NOIRLab/NSF/AURA/P. Marenfeld) Maunakea, …

This illustration shows magnetic field lines protruding from a highly magnetic neutron star, or a dense nugget left over after a star goes supernova and explodes. Known as magnetars, the…

Did you know that many of the galaxies, nebulas and star clusters observed by the Hubble Space Telescope can also be seen in backyard telescopes? A new gallery of Hubble images highlights som…

"Super-Puffs" may sound like a new breakfast cereal. But it's actually the nickname for a unique and rare class of young exoplanets that have the density of cotton candy. Nothing…