Wed, Oct 31, 2012 at 2:08 PM
The Martian soil is 'similar to basaltic material' often found new volcanoes in Hawaii, including Mauna Kea.
Tue, Oct 30, 2012 at 1:36 PM
U.S. voters will pick more than just politicians on Nov. 6. Dozens of state ballot initiatives are also in play, including some that address environmental issues.
Wed, Oct 24, 2012 at 3:57 PM
Mauna Loa's and Kilauea have an opposing pattern: when one is active, the other is quiet because eruptions at one release pressure in the other.
Sun, Oct 21, 2012 at 5:10 PM
The trick to visiting a popular destination in the off-peak season is to find the window of time when good weather, lack of crowds and low prices combine to create the perfect vacation experience.
Thu, Oct 04, 2012 at 12:09 PM
Guyon designs telescopes to help find alien worlds.
Mon, Sep 24, 2012 at 9:35 AM
Video: Fisherman discovered a dock from the Japanese tsunami off the shores of Hawaii.
Wed, Sep 19, 2012 at 5:55 PM
Want to experience some world-class diving without having to dig out your passport? These destinations are your best options.
Thu, Sep 13, 2012 at 6:08 PM
For travelers who want to get completely off the beaten path and experience nature up close and unfiltered, these islands should be at the top of the list.
Wed, Aug 08, 2012 at 10:41 AM
Ocean acidification has reduced some oyster yields by 80% or more.
Thu, Aug 02, 2012 at 6:21 PM
For most people, the best farmers market in the world is the one they return to week after week. However, some markets stand out because of their size, diversity or the overall quality of their products. Here are nine can't miss farmers markets.