A star exploding at the end of its life has rocked the cosmos like no other that humanity has ever seen. In 2021, astronomers watched in astonishment as a supernova 2.2 billion light-years away named ...

NASA’s Chandra X-ray Observatory has produced the first resolved image of an astrosphere surrounding a Sun-like star, capturing a massive bubble of hot gas blown outward by fierce stellar winds. The ...

Astronomers suspect there is at least one other star interacting with the material cast off by the central dying star in NGC 6072, creating the abnormal appearance of this planetary nebula. Credit: ...

For more than a century, Betelgeuse has looked like a star with a secret. It swells and fades on a six-year rhythm that never quite made sense. The star, about 650 light-years away in space, is old, ...