New study catalogs 1,449 planetary nebulae across the Milky Way

JWST data may reveal signatures of supermassive dark stars, with unusually bright, cool candidates and the absence of the He II λ1640 line in deep-field spectra

The long-held dream of transforming Mars into a second Earth, a so-called “terraforming” process, faces insurmountable obstacles with present-day technology,…

In an unprecedented analysis of a dead star’s surroundings, the James Webb Space Telescope has helped astronomers identify the elemental…