Galaxies take on striking new colors and structures when viewed by the infrared eye of the Spitzer Space Telescope.
For Halloween, a trilogy of spooky star-forming regions tell a haunting tale of the lives and deaths of stars.
The star Mira has kept a stunning secret that scientists have only just discovered in the glow of ultraviolet light.
The eerie Helix nebula, created from the outer layers of a dying star once like our own, reveals secrets to the Spitzer Space Telescope.
The beautiful Carina nebula, stretching 200 light years across space, has been shredded by ultraviolet radiation and winds from a behemoth of a star.
What makes the Earth livable? In this animated cartoon, innocent alien M51 moves the Earth into a closer orbit around the sun, and learns an important lesson about life in the Universe.
The fantastic structures at the center of our Milky Way Galaxy, hidden from us in visible light, are revealed through infrared imagery.
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.
The Large Magellanic Cloud, a dwarf galaxy that orbits the Milky Way, is revealed in exquisite detail in this video from the Spitzer Space Telescope.
The Large Magellanic Cloud, a dwarf galaxy that orbits the Milky Way, is revealed in exquisite detail in this video from the Spitzer Space Telescope.
They're known as the Pillars of Creation, but according to recent Spitzer observations these ghostly apparitions have already met their own destruction!
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!
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.
New images of the Orion Nebula show thousands of nascent solar systems.
M82 has been called an exploding galaxy, and three of NASA's Great Observatories have teamed up to show it like it's never been seen before.
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.