7,844 results
7,844 results for: Geology
- Earth
Dinosaurs may not have seen the Grand Canyon after all
New geologic comparisons peg the Grand Canyon’s inception well after dinosaurs went extinct.
- Planetary Science
Support grows for a return to ice giants Uranus and Neptune
Thirty years ago, Voyager 2 cruised past Uranus and then on to Neptune. Now planetary scientists think it’s time to go back.
- Animals
An island in the Maldives is made of parrotfish poop
Coral-eating parrotfish create much of the sediment that a reef island is made of, a new study finds.
- Earth
Volcanic activity convicted in Permian extinction
Precision dating confirms that Siberian volcanic eruptions could have triggered the Permian extinction.
- Planetary Science
How alien can a planet be and still support life?
Geoscientists imagine the unearthly mechanisms that could keep alien planets habitable.
- Environment
Controversial insecticide use rises as farmers douse seeds
Use of neonicotinoids, a class of controversial insecticides, has risen dramatically, posing threat to pollinating insects.
- Planetary Science
Year in review: Pluto unveiled as a world like no other
Long out of reach, Pluto came into focus in 2015 with the New Horizons mission.
- Earth
Tethys Ocean implicated in Pangaea breakup
The shrinking of the Tethys Ocean may have broken up the Pangaea supercontinent.
- Astronomy
New telescopes will search for signs of life on distant planets
Researchers are coming up with creative ways to pick up biosignatures in far-away planetary atmospheres.
- Animals
A world of mammal diversity has been lost because of humans
Humans have eradicated large mammal biodiversity in most regions of the globe, a new study finds.
- Earth
Massive magma pool found deep below Yellowstone
Earthquake waves reveal massive magma reservoir deep inside the Yellowstone supervolcano.
- Planetary Science
First craters on Mars spotted 50 years ago
Fifty years ago, Mariner 4 revealed that the Red Planet was peppered with craters. Now we know pockmarks are common on many other planets and moons, too.
