Infant Stars Peek Out from Dusty Cradles Sig13-001_tn Spitzer Space Telescope Tue, Mar 19, 2013

Dense envelopes of gas and dust surround the fledging stars known as protostars, making their detection difficult until now. The discovery gives scientists a window into the earliest and least understood phases of star formation.

Probing a Nearby Stellar Cradle Sig12-012_sq Spitzer Space Telescope Thu, Nov 08, 2012

The Cygnus OB2 star cluster is about 5,000 light years from Earth and contains many massive young stars.

A Surprisingly Bright Superbubble Sig12-009_tn Spitzer Space Telescope Fri, Aug 31, 2012

This composite image shows a superbubble in the Large Magellanic Cloud.

Hot and Cold in the M100 Galaxy Sig12-008_tn Spitzer Space Telescope Thu, Aug 02, 2012

The galaxy Messier 100, or M100, shows its swirling spiral in this infrared image from NASAs Spitzer Space Telescope. The arcing spiral arms of dust and gas that harbor starforming regions glow vividly when seen in the infrared.

A Pinwheel Galaxy Rainbow Sig12-005_tn Spitzer Space Telescope Wed, May 23, 2012

This image of the Pinwheel Galaxy, or M101, combines data in the infrared, visible, ultraviolet and x-rays from four of NASAs space telescopes. This multi-spectral view shows that both young and old stars are evenly distributed along M101s tightly-wound spiral arms. Such composite images allow astronomers to see how features in one part of the spectrum match up with those seen in other parts.

Remnant of an Explosion With a Powerful Kick? Sig12-001_tn Spitzer Space Telescope Wed, Feb 01, 2012

Vital clues about the devastating ends to the lives of massive stars can be found by studying the aftermath of their explosions.

Revealing Hidden Black Holes Sig12-013_tn Spitzer Space Telescope Fri, Dec 14, 2012

This composite image shows the spiral galaxy NGC 3627, located about 30 million light years from Earth.

The Helix Nebula: Unraveling at the Seams Sig12-011_tn Spitzer Space Telescope Wed, Oct 03, 2012

A dying star is throwing a cosmic tantrum in this combined image from NASA's Spitzer Space Telescope and the Galaxy Evolution Explorer (GALEX).

The Swirling Arms of the M100 Galaxy Sig12-007_tn Spitzer Space Telescope Thu, Aug 02, 2012

The galaxy Messier 100, or M100, shows its swirling spiral in this infrared image from NASAs Spitzer Space Telescope. The arcing spiral arms of dust and gas that harbor starforming regions glow vividly when seen in the infrared.

A Planetary Nebula Pair Sig12-006_tn Spitzer Space Telescope Mon, Jul 02, 2012

How is it that two glowing globs of gas that look completely different can actually be basically the same thing? In the case of planetary nebulae like IC 4406 and NGC 2392, all it may take is a simple shift of perspective, provided here in infrared images taken by NASAs Spitzer Space Telescope.

A New View of the Tarantula Nebula Sig12-004_tn Spitzer Space Telescope Tue, Apr 17, 2012

A massive star-forming region located about 160,000 light years away.