Earthquakes rattle southern California

Southern California was shaken by a series of small to moderate earthquakes near California-Mexico border on Sunday, August 26.

Isaac expected to become hurricane and approach Florida Keys

Everyone from Houston, Texas east to Tallahassee, Florida should watch Isaac closely. Hurricane Watch issued for part of northern Gulf of Mexico coast.

Extreme US summer temperatures occurring more frequently

Extreme US summer temperatures are already occurring more frequently in the U. S., and could become normal by mid-century, says study.

Data-hungry mobile devices? Use more antennas

Multi-antenna technology could help keep pace with voracious user demand of data-hungry mobile devices.

The Milky Way now has a twin (or two)

Research presented at the IAW General Assembly in Beijing has found the first group of galaxies that is just like the Milky Way.

Hurricane Andrew 20th anniversary

It's been 20 years since Hurricane Andrew hit the southeast coast of Florida. What a storm. What a story.

A songbird’s epic migration across hemispheres

Scientists used miniature tracking devices to reveal the 18,641-mile migration of a small songbird called the northern wheatear.

Carbon nanotubes can be toxic to aquatic animals

The researchers urge that care be taken to prevent the release of carbon nanotubes into the environment.

How did zebras get their stripes?

The exquisite stripes on zebras have been explained in many ways. A recent explanation involves blood-sucking horseflies.

Mississippi river well below normal in 2012

Two space images of the Mississippi River - one from August 2012 and the other from August 2011. You can see that the riverbed is drier in 2012.