It's as clear as day and night... but on an exotic alien world! Astronomers have for the first time measured the temperatures varying across the surface of a planet beyond our solar system.
Like a Phoenix rising from the ashes, astronomers have found that a whole new solar system may be forming in the wake of a star's violent death. Produced by NASA's Spitzer Science Center
In Greek Mythology, the Princess Andromeda was sacrificed to appease a sea monster's appetite. But astronomers are learning that the Andromeda Galaxy is less the spiral beauty and more the voracious beast.
Astronomers peering deeply into the cosmos think they have found something remarkable... the light from the first objects to form after the universe was born!
They're known as the Pillars of Creation, but according to recent Spitzer observations these ghostly apparitions have already met their own destruction!
The star Mira has kept a stunning secret that scientists have only just discovered in the glow of ultraviolet light. This Hidden Universe special features results from NASA's Galaxy Evolution Explorer
Giant jets from baby stars blow colorful bubbles in interstellar space. Spitzer's infrared view reveals these structures in colorful ways never seen before.