Space agencies have long worried about what happens when old satellites and rocket parts fall back through the atmosphere, ...

In A Nutshell Thousands of existing seismic stations worldwide can now help locate falling satellites before hazardous ...

High above Earth, a new radar satellite is giving scientists an unprecedented look at how the ground beneath Southern California is moving—sometimes by just millimeters. Scientists are using the ...

Sometimes to truly study something up close, you have to take a step back. That's what Andrea Donnellan does. An expert in Earth sciences and seismology, she gets much of her data from a bird's-eye ...

On January 1, 2008, at 1:59 am in Calipatria, California, an earthquake happened. You haven’t heard of this earthquake; even if you had been living in Calipatria, you wouldn’t have felt anything. It ...