The stars in our galaxy come in a beautiful assortment of colors. We see supergiants such as Betelgeuse that have a warm red glow, and others like Rigel that shine […]

The post A Chartreuse White Dwarf Shows Some Stars Really Are Green appeared first on Sky & Telescope.

A two-stage, H3-24L rocket lit up the predawn skies over Tanegashima Space Center on the southern tip of Japan early on Tuesday, October 20th (3:41 p.m. EDT on October 19th), […]

The post Japan Launches the Martian Moons Exploration Mission appeared first on Sky & Telescope.

Planetesimal wrecks are raging around distant stars. With the Webb and Spitzer Space Telescopes, astronomers are learning what that looks like.

The post Webb and Spitzer Telescopes Explore the Planets That Never Were appeared first on Sky & Telescope.