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07.22.10

Unsettled Youth: A Chaotic Planetary System

During the infancy of our solar system, when our planets had not yet settled down into their orbits, this was a dange... listen now

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SpitzerAudio-052

06.01.10

Swirling Clumps of Planetary Material

Something appears to be pushing around a large clump of material that is in orbit of this star, and it's moving fast ... listen now

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02.05.10

Trigger Happy Star Formation

From recent discoveries made by two of NASA's Great Observatories comes new insight into how stars are created. Large... listen now

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SpitzerAudio-050

09.04.09

Baby Stars Found Jumbled In Galactic Center

At the center of our Milky Way galaxy is an area previously unseen by astronomers. Shrouded by clouds of swirling dus... listen now

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08.26.09

Where Is the Center of the Universe?

Dr. Varoujan Gorjian explains the mind-boggling expansion of the Universe. watch now

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04.07.09

Cool Stars Have Different Mix of Life-Forming Chemicals

It's life, Jim, but not as we know it! Well, at least the building blocks of life. A new study from NASA's Spitzer S... listen now

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02.05.09

W-5 Star-Forming Region

Visit the W-5 star-forming region with 'Ask an Astronomer'! watch now

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01.28.09

Exoplanet with Wild Temperature Swings

Talk about hot flashes! A planet that heats up to extreme temperatures in a matter of hours before quickly cooling ba... listen now

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12.22.08

Why Is the Sky Blue?

In this 'Ask an Astronomer' episode, Dr. Carolyn Brinkworth fills us in on what the color of the sky has to do with f... watch now

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SpitzerAudio-047

12.12.08

Dim Dwarfs

The new record-holder for dimmest known star-like object in the universe goes to twin brown dwarfs, each of which shi... listen now

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SpitzerAudio-046

11.13.08

Twin Asteroid Belts

The star Epsilon Eridani is even stranger than fiction. NASA's Spitzer Space Telescope has shown it has two asteroid ... listen now

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10.23.08

What's Between the Stars?

In this 'Ask an Astronomer' episode, Dr. Michelle Thaller explains how there can be an interstellar medium in a vacuum. watch now

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09.18.08

Water Hit with Young Star's Best Shot

Water is being blasted to pieces by a young star's laser-like jets, according to new observations from NASA's Spitzer... listen now

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08.25.08

Spitzer's Fifth Anniversary

NASA's Spitzer Space Telescope continues to surprise astronomers. On its fifth anniversary, we recap some of this Gre... listen now

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08.25.08

Spitzer's Fifth Anniversary

This 'Ask an Astronomer' special looks at some of the biggest discoveries from NASA's Spitzer Space Telescope over th... watch now

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SpitzerAudio-043

07.15.08

Brightest Star in the Galaxy has New Competition

A contender for the title of brightest star in our Milky Way galaxy has been unearthed in the dusty metropolis of the... listen now

ask2008-005

07.01.08

What Will Happen to the Earth When the Sun Dies?

Our Sun won't last forever. Dr. Carolyn Brinkworth explains the ramifications for our home planet in this 'Ask an Ast... watch now

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SpitzerAudio-042

06.13.08

Missing Spiral Arms

As a result of a new Spitzer Space Telescope study, two of our own Milky Way Galaxy's spiral arms have gone away. listen now

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05.23.08

Holes on Mars

Spitzer isn't the only infrared mission. Infrared images from another of NASA's robotic missions help us understand m... listen now

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05.08.08

Can a Planet Have Two Suns?

Dr. Carolyn Brinkworth addresses a famous science fiction scenario in this 'Ask an Astronomer' video. watch now

   

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