Hawai'i's Kīlauea volcano erupted again on Tuesday, prompting National Park Service officials to warn visitors of potential air quality threats.
The latest: The Big Island volcano, one of the most active in the world, reactivated at several vents along the crater floor after an overnight pause, per a Tuesday statement from the U.S. Geological Survey (USGS) that noted volcanic activity was confined to this area and the downdropped block within the caldera.
If you're dreaming of a white Christmas, be jealous of those in the Mountain West, upper Midwest and northern New England.
Those are the regions that most often had at least an inch of snow on the ground or actively falling on Christmas Day between 2003 and 2022, per historic satellite data.
President-elect Trump indicated he wants Greenland under U.S. control as he named PayPal co-founder Ken Howery as his pick for United States ambassador to Denmark on Sunday.
The latest: Greenland Prime Minister Múte Egede made clear on Monday that the autonomous territory that's part of its kingdom of Denmark was not for sale.
NASA's Parker Solar Probe will make history during a flight around the Sun on Christmas Eve.
Why it matters: "No human-made object has ever passed this close to a star, so Parker will truly be returning data from uncharted territory," said Nick Pinkine, Parker Solar Probe mission operations manager at the Johns Hopkins Applied Physics Laboratory (APL) in Maryland, in a statement.