7,847 results
7,847 results for: Geology
- Earth
Oxygen flooded Earth’s atmosphere earlier than thought
The Great Oxidation Event that enabled the eventual evolution of complex life began 100 million years earlier than once thought, new dating of South African rock suggests.
- Earth
Primordial continental crust re‑created in lab
Compressing rocks from an ocean plateau at high temperatures and pressures re-creates the formation of Earth’s first continental crust.
- Animals
Barnacles track whale migration
The mix of oxygen isotopes in the shells of barnacles that latch on to baleen whales may divulge how whale migration routes have changed over millions of years.
- Ecosystems
Oyster deaths linked to ‘atmospheric rivers’
Atmospheric rivers bring strong storms that could have been behind a 2011 California oyster die-off.
- Life
California’s goby is actually two different fish
One fish, two fish: California’s tidewater goby is two species.
- Earth
Ancient air bubbles could revise history of Earth’s oxygen
Pockets of ancient air trapped in rock salt for around 815 million years suggest that oxygen was abundant well before the first animals appear in the fossil record.
- Earth
Glass bits, charcoal hint at 56-million-year-old space rock impact
Glassy debris and the burnt remains of wildfires suggest that a large space rock hit Earth near the start of the Paleocene-Eocene Thermal Maximum warming event around 56 million years ago.
- Planetary Science
Mercury’s surface still changing
A population of small cliffs on Mercury suggests that the planet might have been tectonically active in the last 50 million years.
- Science & Society
Trump’s proposed 2018 budget takes an ax to science research funding
Administration would cut total federal research spending by about 17 percent, according to a preliminary estimate.
- Anthropology
New dating suggests younger age for Homo naledi
South African fossil species lived more recently than first thought, study suggests.
- Paleontology
Ancient microbe fossils show earliest evidence of shell making
Armor-plated, 809-million-year-old fossilized microbes discovered in Canada are the oldest known evidence of shell making.
- Earth
CO2 shakes up theory of how geysers spout
Carbon dioxide helps fuel eruptions of Spouter Geyser, and perhaps other features, in Yellowstone National Park, new research suggests.
