The supposedly oldest impact crater on Earth isn't a crater after all
A history-rewriting discovery in Greenland in 2012 has been debunked
Mount St. Helens is a natural laboratory for studying how ecosystems recover from disasters — but a road threatens to ruin those efforts
The Forest Service and scientists are struggling to balance risk and scientific research
Meet Alice Wilson, the Canadian geologist who did the work of five people
She wasn't allowed to work at remote field sites, so she became the expert in her local rocks and fossils
We're studying collapsed civilizations so that ours can endure climate change
Paleoclimatologists are digging into the connections between the collapse of Maya Civilization and extreme droughts
Volcanoes can kill thousands. We should pay closer attention to the moving earth beneath us
Boiling clouds of ash and gas, moving 100 mph, pose a greater threat than lava, yet the world lacks volcano safety standards
What ancient salt can tell us about life on Earth
Scientists are finding more evidence about how our planet gained oxygen
The Moon's origins may be far different than we thought
We're still learning the basics about Earth's nearest neighbor
I crush stalagmites from protected caves. What can I do to give back?
Scientists should do more with the communities where they work, a cave researcher writes
It's time to stop excluding people with disabilities from science
You can be a great scientist without being able to carry a 50-pound backpack out of a cave