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In this Webcast, we speak with Ice Stories correspondent Howie Koss, a member of the Offshore New Harbor Expedition.

00:21:19
We speak to Robin Bell from the AGAP (Antarctic Gamburtsev Province) expedition. This is the first systematic study of our planet's last unexplored mountain range. This webcast was our first this season, and we had some technical difficulties.

00:37:58
Halloween Special Edition! In this zany competition teachers have ten minutes to create a science activity from a special Halloween secret ingredient... bats!

01:04:45
Watch the telescope-only stream of the total solar eclipse that occurred on August 1, 2008.

00:54:24
In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: eye care products!

00:48:06
In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: dental hygiene products!

00:48:10
In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: hair care products!

00:27:26
The Mars Phoenix Lander will have been collecting data and sending it back to earth for a month! Exploratorium Senior Scientist Paul Doherty will examine the data and tell us what new information we've gained about Mars. We'll also get an update on our old friends, the Mars rovers Spirit and Opportunity!

00:31:00
Alaska's coastal range is covered in literally thousands of thaw lakes. Ken Hinkel, Yongwei Sheng and John Lenters are embarking on a project to reveal the subtle energy dynamics that take place within these lake systems.

00:30:36
Join us as we celebrate the beginning of summer in the Arctic and the long, cold winter in Antarctica. We'll connect live to two polar field sites: Summit Camp atop Greenland's vast ice sheet, where the sun will be shining 24 hours a day, and the South Pole Research Station, now in the middle of 6 months of darkness.