An article suggests the natural light show starts when disturbances on the sun pull on Earth's magnetic field, creating cosmic waves that launch electrons into the atmosphere to form the aurora.
It's as dry as it's been in a century in parts of Washington and Oregon. Some farmers are watching their crops fail, while others are selling cattle because they don't have the grass to feed it.
Meteorologists predict another above-average hurricane season. As in the previous seven years, this season got an early start when Tropical Storm Ana formed in the Atlantic on May 22.
The competitors in a high-altitude race were racing on an extremely narrow mountain path when hail, freezing rain and gale-force winds hit, catching them off guard.
Scientists have long thought some of the carnage from the 2012 hurricane might be attributable to a warming climate. New research calculates the additional flooding due to rising sea levels.
In a postseason review of last year's hurricane season, NOAA meteorologists upgrade Zeta to a "major" Category 3 storm. It hit New Orleans and southeast Louisiana on Oct. 28.
Rick Spinrad previously served as the agency's top scientist. His nomination comes at a difficult period for NOAA, which spent the Trump administration mired in scandal and without a permanent leader.
Between 16,000 and 20,000 people were evacuated from the area around the volcano on St. Vincent. Some evacuees are with family and friends; others are fleeing the island entirely.
Severe weather may have caused a 129-foot lift boat to capsize in the Gulf of Mexico, about 8 miles south of Port Fourchon. It's unclear how many people remain at sea.
Experts predict the volcano eruption on the Caribbean island of St. Vincent will last for days, even weeks. Officials urge people to seek safety as rescuers search for those who haven't evacuated.
