Dec 4, 2024 by Enrico de Lazaro

XX Trianguli, a bright K0-type giant star in a binary system located in the constellation of Triangulum, exhibits chaotic, non-periodic star spot behavior,...

Aug 20, 2024 by News Staff

Astronomers using the Center for High Angular Resolution Astronomy (CHARA) Array have observed Polaris, a member of a triple system and the nearest and...

Mar 21, 2024 by News Staff

Astronomers using the Karl G. Jansky Very Large Array have observed long-lasting aurora-like radio bursts above a sunspot. This discovery could help us...

May 2, 2023 by Enrico de Lazaro

Using spectral data from Webb’s Near-Infrared Spectrograph (NIRSpec), astronomers determined that the warm super-Earth Gliese 486b either has a water-rich...

Mar 9, 2022 by News Staff

Using NASA’s Neutron star Interior Composition Explorer (NICER), astronomers have observed the merging of multimillion-degree X-ray spots on the surface...

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...

Jun 2, 2020 by News Staff

Using several instruments on ESO’s Very Large Telescope, VLT Survey Telescope and the New Technology Telescope, astronomers have discovered giant spots...

Sep 21, 2018 by News Staff

Our Sun rotates faster at its equator than at its poles. This process is known as differential rotation and is seen in the motion of sunspots. Now, a team...

Feb 19, 2018 by Enrico de Lazaro

Astronomers have discovered that a giant star called R Sculptoris is surrounded by giant ‘clumps’ of stellar dust that are peeling away from the shedding...

Oct 24, 2017 by News Staff

Zeta Puppis, also known as Naos, is a blue supergiant star, one of the most luminous stars in our Milky Way Galaxy. It is about 60 times more massive than...

Oct 12, 2016 by Natali Anderson

The Sun’s nearest stellar neighbor, Proxima Centauri, has a regular cycle of starspots, according to a team of astronomers from the Harvard-Smithsonian...

May 5, 2016 by News Staff

An international group of astronomers led by Dr. Rachael Roettenbacher from the University of Michigan has used cutting-edge techniques to create direct...

Oct 20, 2015 by News Staff

A team of astronomers at the Leibniz Institute for Astrophysics Potsdam, Germany, has created a video that shows the evolution of stellar spots on the...