NASA has called the fire “an unusual event.”
The weeklong trip was sponsored by House Science Committee chair Lamar Smith, a Texas Republican infamous for his attacks on federal climate scientists.
More than 10% of the country's ice sheet melted this week, scientists said — about a month earlier than previous record early melts.
Here are the most moving, spectacular, and beautiful photos of science and nature from the last week.
Just a quick reminder that our world is amazing.
National Geographic's Instagram is a thing of beauty, and it'll take you on a tour of our planet.
Plus Hugh Jackman measuring things, a pretty compelling theory about Orange Is the New Black, and 27 kids who managed to look unbelievably miserable at Disneyland.
Oh the difference four days can make. Wait, what? Four DAYS? Scientists are scrambling to figure out the implications of such a rapid increase in melt.
Your mind is about to get blown.
Chart that highlights countries based on how often their names appear in the NY Times.