Earth Observation
Earth Seen in Gamma Rays
A NASA-funded researcher has created an image of the Earth as it would look if you had gamma ray detectors…
Libya’s Ubari and Murzuq Sand Seas
This is a satellite photograph of two huge sandy regions in the Fezzan region of Southwest Libya, near the border…
Lightning Makes Radiation Belts Safer
NASA scientists have finally worked out why there's a safe zone in the Earth's radiation belts, thousands of km above…
Gamma Rays Come from the Earth Too
Scientists were surprised a few years ago when the Compton Gamma Ray Observatory discovered bursts of gamma rays weren't only…
Giant Iceberg on Collision Course
B-15A is a giant iceberg off the coast of Antarctica, and it's now on a collision course with a floating…
How Much Did the Earth Move?
Last month's catastrophic earthquake and tsunami were powerful enough that they actually changed the Earth's rotation, decreased the length of…
Topography Mission Wraps Up With Australia
After four years of data crunching, NASA and the National Geospatial-Intelligence Agency have completed a comprehensive topographical map of 80%…
Mediterranean Heat Map Produced from Space
The European Space Agency has produced a detailed temperature map of the Mediterranean Ocean from space that would have required…
Radiation Concentrates During Solar Storms
Scientists were surprised to learn that the Earth's magnetic field can concentrate radiation from the Sun during powerful solar storms,…
Greenland Glacier Speeds Up
Scientists have used satellite photographs to track the movements of a relatively fast moving glacier in Greenland, and found that…