7,721 results
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- Earth
Landslides shaped a hidden landscape within Yellowstone
Scientists have used lasers to get a detailed view of the national park’s topography, and they’ve spotted more than a thousand landslides.
- Paleontology
Katydids had the earliest known insect ears 160 million years ago
Fossils from the Jurassic Period show katydid ears looked identical to those of modern katydids and could pick up short-range calls.
- Planetary Science
A volcano on Venus was spotted erupting in decades-old images
A new look at old data reveals an eruption on Venus in the 1990s that was probably similar to Hawaii’s Kilauea eruption in 2018.
- Space
What has Perseverance found in two years on Mars?
NASA's Perseverance rover has turned up volcanic rocks, signs of flowing water and some of the materials necessary for life.
- Earth
Jacky Austermann looks to the solid earth for clues to sea level rise
Jacky Austermann’s work could help inform practical climate change solutions for at-risk coastal cities.
- Planetary Science
Methylated gases could be an unambiguous indicator of alien life
On Earth, methylated gases are produced by organisms cleaning up their environment — and by little else. The same might be true on some exoplanets.
- Earth
Indigenous people may have created the Amazon’s ‘dark earth’ on purpose
Modern Amazonians make nutrient-rich soil from ash, food scraps and burns. The soil strongly resembles ancient dark soils found in the region.
- Environment
Heat waves in U.S. rivers are on the rise. Here’s why that’s a problem
In recent years, heat waves in U.S. rivers have gotten more frequent, causing trouble for fish, plants and water quality.
- Planetary Science
Organic molecules in an ancient Mars meteorite formed via geology, not alien life
Analysis of an ancient Martian meteorite reveals that organic molecules within it were formed by geologic processes rather than alien life.
- Space
How balloons could one day detect quakes on Venus
A new study opens the door for future balloon-based missions to study the geology of other worlds.
- Environment
Earth’s oldest known wildfires raged 430 million years ago
430-million-year-old fossilized charcoal suggests atmospheric oxygen levels of at least 16 percent, the amount needed for fire to take hold and spread.
