Jul 21, 2025 by News Staff

Using the speckle imager ‘Alopeke on the Gemini North telescope, one half of NSF’s International Gemini Observatory, astronomers have captured direct...

Oct 23, 2024 by News Staff

Betelgeuse, also known as Alpha Orionis or Alpha Ori, is the second-closest red supergiant to Earth. From November 2019 to March 2020, this star experienced...

Sep 5, 2022 by News Staff

A team of astronomers from the University of Jena and elsewhere has analyzed pre-telescopic records on star color from Europe, the Mediterranean, West...

Aug 11, 2022 by News Staff

Betelgeuse, a red supergiant star located around 650 light-years away in the constellation of Orion, underwent a historic dimming between December 2019...

Jun 17, 2021 by News Staff

Betelgeuse, which is located roughly 724 light-years away in the constellation of Orion, is the second-closest red supergiant to Earth. From November 2019...

Oct 16, 2020 by News Staff

Using new observational data from the space-based Solar Mass Ejection Imager and three different modeling techniques, astronomers have found that Betelgeuse,...

Aug 13, 2020 by News Staff

The red supergiant Betelgeuse is one of the brightest stars in the night sky and appears even more luminous because it is so close to Earth, only 650 light-years...

Jun 30, 2020 by Enrico de Lazaro

A new paper published in the Astrophysical Journal Letters points to the changes in the photosphere of the red supergiant star Betelgeuse as the source...

Mar 6, 2020 by News Staff

On February 15, 2020, a team of U.S. astronomers observed Betelgeuse, a dimming red supergiant located approximately 650 light-years away from Earth, using...

Feb 17, 2020 by News Staff

Astronomers using two instruments on ESO’s Very Large Telescope (VLT) have captured new images of a red supergiant star called Betelgeuse. The images...

Jun 28, 2017 by Sergio Prostak

Astronomers have used the Atacama Large Millimeter/submillimeter Array (ALMA) to observe the nearby supergiant star Betelgeuse. Beyond just delivering...

Nov 16, 2015 by News Staff

Astronomers using data from ESA’s Hipparcos space astrometry mission have produced a 3D visualization of all of O and B type stars within 1,630 light...

Apr 25, 2013 by News Staff

Astronomers using e-MERLIN Radio Telescope Array at the Jodrell Bank Observatory in Cheshire, UK, have captured a new image of the outer atmosphere of...

Jan 23, 2013 by Sergio Prostak

A new far-infrared view of Betelgeuse – the nearest red supergiant star to our planet – obtained with ESA’s Herschel Space Observatory reveals...