Earth Observation
Satellites Measure Melting Greenland Ice
NASA's GRACE satellites have measured an increasing rate of ice melt in Greenland. According to new analysis by researchers at…
Cluster Spacecraft Catch a Magnetic Reconnection
ESA's Cluster spacecraft were in the right place at the right time on September 15, 2001. They flew through a…
MetOp Prepares for Launch
In about a week, ESA's MetOp-A satellite will be launched from the Baikonur Cosmodrome in Kazakhstan. If all goes well,…
Ozone Recovery is Going Slowly
Although the Earth's ozone layer is on the mend, the recovery is going more slowly than expected. Scientists have developed…
GPS Can Predict Tsunamis
After the terrible tsunami damage caused by the Sumatra earthquake in December 2004, scientists have been searching for strategies to…
Fizzing Space Around the Earth
New observations from ESA's Cluster and Double Star spacecraft have found that that space around the Earth fizzes as bubbles…
CALIPSO Begins Scientific Observations
NASA's newly launched CALIPSO Earth observation satellite began its scientific observations last week. The satellite is designed to help scientists…
First Images From Cloudsat
Meteorologists and scientists have a new tool at their disposal; NASA's new CloudSat satellite, which is capable of building 3-D…
Huge Asteroid Crater in Antarctica
Image of Antarctica captured by Galileo. Image credit: NASA. Click to enlarge The asteroid impact that killed the dinosaurs 65…
The Ozone Layer’s Recovering
The Antarctic ozone hole. Image credit: NASA. Over the last few decades, scientists have been tracking the depletion of the…