Using observations from NASA’s Transiting Exoplanet Survey Satellite (TESS), astronomers have identified an unprecedented collection of pulsating red giant stars all across the sky. These…
Betelgeuse (α Orionis) is the bright reddish star located in the shoulder of the Orion constellation and can be seen by the naked eye in…
The star Betelgeuse became visibly darker in 2019 and 2020, puzzling astronomers; new images show that the star was partially concealed by a cloud of…
Mystery of Betelgeuse’s Dip in Brightness Solved When Betelgeuse, a bright orange star in the constellation of Orion, became visibly darker in late 2019 and…
For several weeks in summer 2020, NASA’s Solar and Terrestrial Relations Observatory, or STEREO, had the solar system’s best view of the star Betelgeuse, whose…
R Sculptoris, an elderly star, located 1,500 light-years from Earth, has been observed in the final stages of stellar life, slowly shedding the outer layers…
Astronomers using the Hubble Space Telescope have been able to probe into the chemical signatures of dusky disks encircling four distant star systems. They discovered…