Properly winterizing lawn equipment is well worth your time and effort. Here are six steps to take before the winter.
NASA's OCO-2 satellite observed carbon dioxide response to one of strongest El Niños on record.
How does Harvey compare to 2005's Hurricane Katrina, one of the deadliest storms to ever strike the U.S.?
A total solar eclipse that will sweep across the United States on Aug. 21 is expected to make a noticeable dent in solar-energy collection, prompting energy workers to concoct workarounds that will help them meet energy demands.