The super-black feathers of Birds of Paradise absorb almost every last bit of light that strikes them. This black is so dark your eyes can't focus on its surface.
Sea ice in the Arctic grew to its annual maximum extent last week, and joined 2015, 2016 and 2017 as the 4 lowest maximum extents on record, say scientists
In 2015, a mega-expedition - 30 vessels simultaneously - crossed the Great Pacific Garbage Patch and collected 1.2 million plastic samples. They say the problem is getting worse.
The oil-rich Permian Basin is having a resurgence in active drilling. Researchers report that, in one place, the ground has shifted 40 inches (about a meter) over the past two-and-a-half years.
It looks like ordinary crepuscular rays are coming from the reflected sunlight at the base of this mountain. But that's not what's happening in this rare photo.
It's not surprising that a new study linking extreme winter weather in the U.S. East with a warmer Arctic has drawn fire from global warming skeptics. Should you believe the study or the skeptics?