By July 2008, what had once been a massive ice fringe along the northern Ellesmere coast had been reduced to five isolated ice shelves.
A mechanical design engineer travels to the South Pole to help retrieve a science experiment.
SnoMotes are the first prototype network of their kind envisioned to rove treacherous areas of the Arctic and Antarctic.
Researchers plan to record changes in the Siberian forest as they navigate down the river in boats. Their goal is to get insight into global climate change.
New observations from NASA's Mars Reconnaissance Orbiter indicate that the crust and upper mantle of Mars are stiffer and colder than previously thought.
NASA's Phoenix Mars Lander is preparing to end its long journey and begin a three-month mission to taste and sniff fistfuls of Martian soil and buried ice.
NASA's Polar satellite concludes its successful mission at the end of April with a breathtaking visible light image of the colorful dancing lights of the aurora.
IPY Materials for Teachers
View pictures and video captured by NASA's Phoenix Mars Lander, which touched down on the Red Planet on May 25, 2008.
Quick access to IPY multimedia.
NASA's polar perspective.
The NASA IPY promo video.
Earth's frozen assets.
Multimedia and more ...