Heavyweights
The cluster known as Abell 85 contains more than 500 galaxies. Its central galaxy, Holm 15A, is a heavyweight in…
Catching Fire
A mission scheduled for launch in early February will catch a unique view of the Sun. Solar Orbiter, shown in…
New Eye on the Sun
The Sun shines on the Daniel K. Inouye Solar Telescope atop Haleakala, a 10,000-foot mountain in Hawaii. The world’s largest…
Complicated Moon
Jupiter’s largest moon, Ganymede, orbits the giant planet in this artist’s concept. Ganymede generates its own magnetic field, which produces…
Dry Ocean
One of the largest features on the Moon is the Ocean of Storms, a dark volcanic plain at left and…
Land of the Supergiants
Orion, the celestial hunter, is a realm of supergiants. The constellation’s seven brightest stars are all either current or future…
Time After Time
The metallic ball in this image helped the entire city of Boston keep time. It was dropped from the top…
Illustrating the Space Age
Space artist Robert McCall takes a break from painting a mural at Johnson Space Center in Houston in this NASA…
Living on Mars
An astronaut relaxes inside a Mars habitat in this concept developed as part of a NASA competition. The 3D-printed habitat…
A WISE spacecraft
An infrared view shows clouds of gas that form the Lambda Centauri Nebula, a stellar nursery about 5,800 light-years from…