A University of Arizona-led team has nailed down the temperature of the last ice age—the Last Glacial Maximum of 20,000 years ago—to about 46 degrees Fahrenheit (7.8 C).
Earth Sciences
Aug 26, 2020
47
3707
The Yukon River flows west across Alaska toward the Bering Sea, eroding Arctic permafrost along its banks and transporting sediment downstream. Within that sediment lurks a toxic stowaway: mercury.
Earth Sciences
Aug 15, 2024
2
349
The latest images of Jupiter from the James Webb Space Telescope (JWST) are stunners.
Astronomy
Aug 22, 2022
0
863
The Atlantic meridional overturning circulation (AMOC), a system of ocean currents that carry warm water from the tropics into the North Atlantic and transport cold water from the northern to the southern hemisphere, is a ...
Earth Sciences
Oct 18, 2022
4
967
Many of us know the conventional theory of how the dinosaurs died 66 million years ago: in Earth's fiery collision with a meteorite, and a following global winter as dust and debris choked the atmosphere. But there was a ...
Evolution
Jul 1, 2022
11
1054
New research from the University of Massachusetts Amherst provides a novel answer to one of the persistent questions in historical climatology, environmental history and the earth sciences: what caused the Little Ice Age? ...
Earth Sciences
Dec 15, 2021
43
2052
The poles are warming several times faster than the global average, causing record smashing heatwaves that were reported earlier this year in both the Arctic and Antarctic. Melting ice and collapsing glaciers at high latitudes ...
Environment
Sep 16, 2022
52
587
For over 60 years, scientists have theorized that a person's body shape and size could be influenced by the climate of where they live. Now a new study from the University of Tennessee, Knoxville, suggests there's more to ...
Evolution
Aug 5, 2016
2
311
A new research paper finds that genetic material from Neanderthal ancestors may have contributed to the propensity of some people today to be "early risers," the sort of people who are more comfortable getting up and going ...
Evolution
Dec 14, 2023
0
4517
(PhysOrg.com) -- Flitting among the cool slopes of the Appalachian Mountains is a tiger swallowtail butterfly species that evolved when two other species of swallowtails hybridized long ago, a rarity in the animal world, ...
Plants & Animals
Sep 8, 2011
3
1
