Earth Observation
Satellite Sees Mysterious Noctilucent Clouds
During the summer, observers can sometimes see beautiful clouds called "night-shining" clouds, or noctilucent clouds. And while lucky observers were…
Killer Electrons From Space!
Space travel is dangerous, make no mistake. So many ways to die. But now scientists think they've got a handle…
Three Gorges Dam from Space
When it's finally completed in 2009, China's Three Gorges Dam will be a colossal man made structure. But even partially…
Journey to the Centre of the Earth’s Position in Space
NASA researchers have developed a new technique that gives them a precise measurement for the position of the centre of…
Arctic Explorers are Getting Some Help from Above
A duo of Belgian adventurers are receiving some guidance from the heavens during their 2,000 km (1,200 mile) trek across…
Tangled Seaweed Viewed From Space
This strange looking photograph is actually the Gulf of Mexico, seen from space by ESA's Envisat Earth imaging satellite. Specifically,…
Snow Melt is on the Rise in Greenland
The island of Greenland experienced more days of melting during 2006 on average than in the last 18 years, according…
Antarctica Had Vast Regions Melt Recently
Much of the concern for global warming has been focused on the Arctic Ocean, where sea ice is disappearing faster…
Cluster Sees Earth’s Bow Shock Crumple and Reform
ESA's Cluster spacecraft were at the right place at the right time to encounter a very special event: the Earth's…
Snowball Earth Probably Had Warm Spots
Planetary geologists propose that our planet once had periods of extreme global freezing nicknamed the "Snowball Earth" eras. During these…