In the Andes, islands in the sky flicker, and evolution kicks into high gear.
paleoclimatology & paleoceanography
Posted inEditors' Highlights
Lomonosov: The Crater That Started a Martian Mega Tsunami
Three billion years ago, on Mars, the shores of an ocean may have been flooded by a mega-tsunami. Now the crater left by the bolide impact that probably triggered the tsunami has been identified.
Posted inNews
Newly Discovered Fossil Species Named After Star Wars Starship
The 500-million-year-old species is a distant relative of today’s crabs, spiders, and insects.
Posted inResearch Spotlights
An Integrated History of the Australian-Antarctic Basin
The first basin-wide compilation of seismic and geologic data shows that both margins experienced similar sedimentation patterns prior to the onset of Antarctic glaciation.
Posted inFeatures
The Tides They Are a-Changing
The twice-daily ebb and flow of the sea have the power to change the planet. Weak tides could have allowed Earth to freeze over, and strong tides may have given vertebrates a leg up on land.
Posted inNews
Ancient Water Underlies Arid Egypt
A hidden trove of groundwater is left over from the last ice age.
Posted inNews
North Carolina Bald Cypress Tree Is at Least 2,674 Years Old
Researchers say it’s the oldest-known living tree in eastern North America. If it hadn’t been protected, it could have ended up as garden mulch.
Posted inNews
Tree Rings Record 19th-Century Anthropogenic Climate Change
Paleoclimate records, observational data, and climate modeling capture the influence of human activity on temperature seasonality.
Posted inResearch Spotlights
Explaining Ocean Acidification Patterns During Ancient Warming
Asymmetrical changes in ocean circulation and the marine carbon cycle could account for different degrees of ocean acidification between the Pacific and Atlantic.
Posted inFeatures
The Search for the Severed Head of the Himalayas
To unearth the very first sediments to erode from the Himalayas, a team of scientists drilled beneath the Bay of Bengal.