NGC 4666, a starburst galaxy

Recent Featured Images

Evaporating planet around the star HD209458
Cassini snapped views of Saturn's moons Enceladus and Tethys.
M87 black hole

On the Air

Labors of Hercules
The week on StarDate: We know of only one world with life: our own Earth. Yet several worlds in the solar system seem to have the right conditions for life, and one of them shows some intriguing signs of life. Join us for details on life in the solar system.

Listen to Recent Programs
Sep. 5: Big Galaxy

You are missing some Flash content that should appear here! Perhaps your browser cannot display it, or maybe it did not initialize correctly.
Sep. 4: Vega

You are missing some Flash content that should appear here! Perhaps your browser cannot display it, or maybe it did not initialize correctly.
Sep. 3: Nuke 'Em!

You are missing some Flash content that should appear here! Perhaps your browser cannot display it, or maybe it did not initialize correctly.
Sep. 2: Asteroid Thruster

You are missing some Flash content that should appear here! Perhaps your browser cannot display it, or maybe it did not initialize correctly.
Sep. 1: Hanging On

You are missing some Flash content that should appear here! Perhaps your browser cannot display it, or maybe it did not initialize correctly.

Program schedule | Subscribe to our podcast | More about StarDate radio

In Print

cover of September-October 2010 issue
Just Passing By

In the September/October issue of StarDate magazine, editor Rebecca Johnson introduces you to a giant cloud of comets surrounding our solar system in “Comet Cloud-y Skies.” And astronomer Ken Croswell returns to fill you in on some extrasolar planets orbiting their stars backwards in “Wrong-Way Planets.”

Subscribe to StarDate magazine — just $24 a year

FacebookTwitterYouTube

Follow StarDate on Facebook, Twitter and YouTube.