Climate: Simple = beautiful?

Climate: Simple = beautiful?

Earth’s orbit subtly changes over thousands of years, in complex cycles that affect the timing and delivery of sunlight to various More »

When earthquakes break…

When earthquakes break...

How do rocks move? What governs how long and violent an earthquake will be? Should we worry about a powder between the grinding rocks? More »

Shock and aftershock in Haiti

Shock and aftershock in Haiti
Aftershocks and triggered earthquakes both follow a large earthquake, and they don’t happen at random. Can lessons about the sequence More »

Pop goes the super supernova

Pop goes the super supernova
Titanic explosion shows one of the biggest bangs since the Biggest Bang, spreads useful elements through the universe. Finally More »

Looking anew at diamonds

Looking anew at diamonds

New analysis uses light to distinguish one diamond from another, but won’t help the battle against the “conflict diamonds”. More »

Planet Formation

Planet Formation

New view of crystals that form into planets in protoplanetary disks. Which came first, the planet or the crystals? More »

Gamma Ray Bursts

Gamma Ray Bursts

Chandra links gamma-ray bursts to supernovas. What really causes these gigantic explosions? More »

Earth Seen From Space

Earth Seen From Space

Earth Observing System uses satellites to accelerate earth science, oceanography, meteorology and global change. More »