Windy Galaxy
Thousands of young stars and brilliant stellar nurseries blaze in this Hubble Space Telescope view of NGC 4449, a small…
Young and Younger
The young star clusters Messier 34 (left) and Messier 36 sparkle in these ground-based images. Using different techniques for the…
A Grander Canyon
Valles Marineris, a network of canyons that dwarfs Earth’s Grand Canyon, forms a deep slash across the center of Mars…
Sparkly Belt
The brilliant stars Alnitak, Alnilam, and Mintaka (lower left to upper right) form Orion’s Belt, one of the most prominent…
High Observatory
A set of telescopes known collectively as Astro-2 aims toward space from the cargo bay of space shuttle Endeavour. The…
Skull Nebula
A trio of stars is sculpting a beautiful cloud of gas and dust in the constellation Cetus. The cloud consists…
A Big Rose
Billowing clouds of gas and dust form the Rosette Nebula, a stellar nursery named for its resemblance to a rose.…
Making Contact
Two stars are especially close in this artist’s concept of a contact binary star system. The stars are touching each…
Ocean World
Geysers of water and ice spew into space from the south pole of Enceladus, one of the moons of Saturn,…
Death Throes
A star about 5,000 light-years from Earth is expelling its outer layers into space in this Hubble Space Telescope image.…