Earth
Scientists Say: Cave Popcorn
This type of cave formation can occur as glossy, soaplike bubbles or as a bristly, cauliflower-like clusters.
Earth's Systems
More Stories in Earth's Systems
- Earth
Scientists Say: Van Allen belts
Astronomers have detected these radiation belts around Earth and beyond. Jupiter’s belt is thousands of times as intense as Earth’s.
- Humans
Scientists Say: Artifact
Take note: This term might describe ancient pottery shards in the field of archeology. But in statistics, it’s a misleading pattern in data.
- Space
Analyze This: Ice around baby stars may hint at origins of Earth’s water
Scientists have now gotten a good look at the ice around a baby star. It might help them unravel the origins of the water needed for life on Earth.
- Earth
This ‘megaflash’ is now the longest lightning bolt on record
A reanalysis of satellite data showed that a 2017 Texas-to-Missouri lightning megaflash stretched 829 kilometers (515 miles) and lasted 7.39 seconds.
- Earth
Let’s learn about rivers
Rivers vary a lot in size and terrain, but all share a few basic features.
- Environment
Watch out: Hail can get really big!
New data from hailstones suggest most of these icy chunks may not form the way scientists long thought.
- Earth
Earth farts may explain some spooky floating lights
The gases released by earthquakes might occasionally ignite, triggering ghostly lights sometimes witnessed in South Carolina.
- Earth
Scientists Say: Supercontinent
These gigantic landmasses form when much of Earth’s landmass smashes together.
- Earth
Experiment: Can plants stop soil erosion?
Soil erosion washes pollutants into streams and rivers — but plants may help limit that.
