The world's largest iceberg is stuck twirling in an ocean vortex
Iceberg A23a — equivalent to the size of Rhode Island — has been near the South Orkney Islands since January, completing one full rotation every 24 days or so.
Environment
Endangered red wolf population on the rebound with captive breeding program
Efforts to bring back the critically endangered red wolves are showing optimistic signs of some success.
At the Olympics, reusable plastic cups are a gambit to reduce waste. Are they working?
At the Olympic Games, concession stands serve drinks in reusable plastic "eco-cups." It's a sustainability measure, Olympic organizers say, but environmentalists say they increase waste.
Rare weather events like tornadoes in New York may be more common with climate change
New York State has seen a record number of tornadoes this year. Communities are wondering if they need to prepare for more as climate change affects weather patterns. But the science is complicated.
Smokey Bear turns 80 this year. Did he help prevent forest fires?
The longest-running U.S. public service ad turns 80 today. We're taking a look back at Smokey Bear's origin and the evolution of his message.
Like Paris, Baltimore knows the struggle of cleaning up water for swimming
Paris spent billions to clean up the River Seine for Olympic swimming, with mixed results. Baltimore knows how difficult it can be.
Here’s what Tim Walz did on climate change as Minnesota governor
Climate change advocates heaped praise on Minnesota Governor Tim Walz
Lahaina’s deadly wildfire could be a chance to rebuild safer. But will it?
After 102 people died in wildfires one year ago, Maui’s officials have committed to creating new evacuation routes. But even though the buildings are gone, remaking the map is a harder task.
The highly anticipated Perseid meteor shower is about to peak. Here's how to watch
The meteor shower creates an opportunity to sit outside at night and watch shooting stars. It's also an opportunity for researchers to do some science.
A year after Maui’s deadly fires, the hills are still filled with flammable grass
After extreme fires last year that claimed 102 lives, Maui is trying to tackle the invasive grasses that pose a big wildfire risk. That could mean restoring the land to what it once was.