Mass extinctions are rapid global decreases in Earth's biodiversity, with five key events identified over the planet's history, arguably the most famous of which occurred ~66 million years ago during the Cretaceous, which ...
By analyzing Antarctic ice cores, CU Boulder scientists and an international team of collaborators have revealed the most detailed look yet at the planet's recent climactic history, including summer and winter temperatures ...
Earth Sciences
Jan 11, 2023
0
619
Let's pretend it's the Late Cretaceous, roughly 66 to 100 million years ago. We've got dinosaurs roaming the land and odd-looking early species of birds, although the shark as we know it is already swimming in the prehistoric ...
Earth Sciences
Sep 7, 2022
0
387
As early as 7,400 years ago, Siberian dogs had evolved to be far smaller than wolves, making them more dependent on humans for food including sea mammals and fish trapped below the ice, a new study showed Friday.
Plants & Animals
Jul 22, 2022
0
1178
The violent event that likely preceded our solar system's formation holds the solution to a longstanding meteorite mystery, says new work from Carnegie's Alan Boss published in The Astrophysical Journal.
Astronomy
Jun 29, 2022
1
499
To solve a long-standing puzzle about how long a neutron can "live" outside an atomic nucleus, physicists entertained a wild but testable theory positing the existence of a right-handed version of our left-handed universe. ...
Quantum Physics
Jun 28, 2022
515
1010
New Princeton research shows that prehistoric megatooth sharks—the biggest sharks that ever lived—were apex predators at the highest level ever measured.
Plants & Animals
Jun 22, 2022
0
259
Extreme dry conditions contributed to the decline of the ancient South Arabian kingdom of Himyar. Researchers from the University of Basel have reported these findings in the journal Science. Combined with political unrest ...
Earth Sciences
Jun 16, 2022
1
273
Michigan State researchers have helped peer inside a nova—a type of astrophysical nuclear explosion—without leaving Earth.
General Physics
May 18, 2022
0
225
A new study describes a period of rapid global climate change in an ice-capped world much like the present—but 304 million years ago. Within about 300,000 years, atmospheric carbon dioxide levels doubled, oceans became ...
Earth Sciences
May 2, 2022
58
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