Nearly a millennium ago, astronomers witnessed a brilliant new star blazing in the sky—a supernova so bright it was visible ...
NASA’s Hubble Space Telescope revisits the Crab Nebula, showing the movement of filaments and changes in gas composition over ...
A massive stellar wind bubble sculpts the nebula into the shape of the Norse god's famous helmet.
Jupiter's lightning has long been of interest to planetary scientists, as it marks stormy spots where researchers can look to ...
Images of the same colorful nebulae 25 years apart are a key example of why the Hubble Space Telescope's longevity matters ...