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Seeing the First Light

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!

Browse Videos in Hidden Universe: NASA's Spitzer Space Telescope

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The Milky Way Big Picture (Showcase)

Two and a half billion infrared pixels are exposing our own Galaxy in this new image from NASA's Spitzer Space Telesc...

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Snowflake Cluster (Gallery Explorer)

A group of baby stars form a "stellar snowflake" in Spitzer's observations of a dusty region near the Cone Nebula.

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Echoes of a Supernova (Showcase)

A supernova flash echoing through surrounding dust clouds has given astronomers a virtual time machine for studying t...

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Protostellar Jets (Gallery Explorer)

Giant jets from baby stars blow colorful bubbles in interstellar space. Spitzer's infrared view reveals these structu...

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Promo: IRrelevant Astronomy

IRrelevant Astronomy takes a lighthearted, comedic look at the infrared Universe. Enjoy this peek at the Spitzer Spac...

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Rho Ophiuchi Cloud (Gallery Explorer)

One of the most striking nearby star-forming regions is the Rho Ophiuchi Cloud. New images from Spitzer reveal its in...

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The X-Planets (Showcase)

These two extreme planets have set the records for the hottest and windiest known worlds anywhere.

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Galaxies (Gallery Explorer)

Galaxies take on striking new colors and structures when viewed by the infrared eye of the Spitzer Space Telescope.

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Trilogy of Terror (Showcase)

For Halloween, a trilogy of spooky star-forming regions tell a haunting tale of the lives and deaths of stars.

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Mira, A Real Shooting Star (Showcase)

The star Mira has kept a stunning secret that scientists have only just discovered in the glow of ultraviolet light.

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Helix Nebula (Gallery Explorer)

The eerie Helix nebula, created from the outer layers of a dying star once like our own, reveals secrets to the Spitz...

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Eta Carinae (Gallery Explorer)

The beautiful Carina nebula, stretching 200 light years across space, has been shredded by ultraviolet radiation and ...

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Special: M51 & Gizmo

What makes the Earth livable? In this animated cartoon, innocent alien M51 moves the Earth into a closer orbit around...

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Galactic Center (Gallery Explorer)

The fantastic structures at the center of our Milky Way Galaxy, hidden from us in visible light, are revealed through...

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Andromeda, Beauty and the Beast (Showcase)

In Greek Mythology, the Princess Andromeda was sacrificed to appease a sea monster's appetite. But astronomers are le...

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Large Magellanic Cloud (Gallery Explorer)

The Large Magellanic Cloud, a dwarf galaxy that orbits the Milky Way, is revealed in exquisite detail in this video f...

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Pillars of Destruction

They're known as the Pillars of Creation, but according to recent Spitzer observations these ghostly apparitions have...

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Seeing the First Light

Astronomers peering deeply into the cosmos think they have found something remarkable... the light from the first obj...

Watch now


Night and Day on an Alien World

It's as clear as day and night... but on an exotic alien world! Astronomers have for the first time measured the temp...

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A Stellar Census of the Sword of Orion

New images of the Orion Nebula show thousands of nascent solar systems.

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