New research led by the American Museum of Natural History and funded by NASA identifies a process that might have been key in producing the first organic molecules on Earth about 4 billion years ago, before the origin of ...
Biochemistry
Sep 9, 2020
1
75
New research suggests that American mastodons were avid travelers, migrating vast distances across North America in response to dramatic climate change during the ice ages of the Pleistocene. The study, conducted by an international ...
Archaeology
Sep 1, 2020
2
622
If you've ever held a trilobite fossil, seen one in a classroom, or walked by one in a store, chances are it was Elrathia kingii, one of the most common and well-recognized trilobites, and collected by the hundreds of thousands ...
Archaeology
Jul 15, 2020
0
15
Dinosaurs and flying pterosaurs may be known for their remarkable size, but a newly described species from Madagascar that lived around 237 million years ago suggests that they originated from extremely small ancestors. The ...
Archaeology
Jul 6, 2020
6
3067
New research suggests that the first dinosaurs laid soft-shelled eggs—a finding that contradicts established thought. The study, led by the American Museum of Natural History and Yale University and published today in the ...
Archaeology
Jun 17, 2020
1
360
Almost 35 years ago, scientists made the then-radical proposal that colossal hydrogen bombs called novae go through a very long-term life cycle after erupting, fading to obscurity for hundreds of thousands of years and then ...
Astronomy
Mar 24, 2020
16
2094
New research shows that fishes on either side of Niagara Falls—one of the most powerful waterfalls in the world—are unlikely to breed with one another. Knowing how well the falls serves as a barrier to fish movement is ...
Plants & Animals
Mar 23, 2020
0
36
A new study examines how color evolved in one of the flashiest groups of parrots—Australasian lorikeets—finding that different plumage patches on the birds evolved independently through time. The study, published this ...
Plants & Animals
Feb 26, 2020
0
97
New work shows how using next-generation DNA sequencing on ancient packrat middens—nests made out of plant material, fragments of insects, bones, fecal matter, and urine—could provide ecological snapshots of Earth's past. ...
Evolution
Feb 20, 2020
0
153
Citizen scientists have uncovered a bizarre pairing of two brown dwarfs, objects much smaller than the Sun that lack enough mass for nuclear fusion. The discovery, reported in The Astrophysical Journal and confirmed by a ...
Astronomy
Feb 12, 2020
1
193
