Sun Watcher
An artist’s concept shows the Solar Maximum Mission spacecraft in orbit. It was launched on February 14, 1980, to measure…
An artist’s concept shows the Solar Maximum Mission spacecraft in orbit. It was launched on February 14, 1980, to measure…
The constellation Corvus, the crow, glows to the lower right of the brilliant star Spica on May evenings. Its brightest…
This diagram shows the structure of the Milky Way galaxy, including its major and minor spiral arms. Our solar system…
Arming the Milky Way Read More »
A massive ring system surrounds a giant planet in the star system J1407, as depicted in this artist’s concept. The…
Canopus, the second-brightest star in the night sky, has served as a beacon for travelers for centuries. Today, it guides…
Giant storms ripple across the atmosphere of Jupiter, the solar system’s largest planet, in this 2000 view from the Cassini…
Light from an erupting star illuminates vast clouds of gas and dust in this 2006 view from Hubble Space Telescope.…
A giant lake of molten rock forms a dark horseshoe on the surface of Io, one of the big moons…
The two stars that form the system MY Camelopardalis are so close together that they share their outer layers of…
The dwarf planet Ceres spins on its axis in this animation compiled from 27 images from the Dawn spacecraft, which…