(Phys.org)—New research findings published in the Proceedings of the National Academy of Sciences (PNAS) are consistent with a controversial theory that an extraterrestrial body – such as a comet – impacted the Earth ...
Earth Sciences
Sep 25, 2012
204
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(Phys.org)—When a huge meteor collided with Earth about 2.5 million years ago in the southern Pacific Ocean it not only likely generated a massive tsunami but also may have plunged the world into the Ice Ages, a new study ...
Earth Sciences
Sep 19, 2012
9
0
An interdisciplinary team of scientists from seven U.S. institutions says a disregard of three critical protocols, including sorting samples by size, explains why a group challenging the theory of a North American meteor-impact ...
Earth Sciences
Sep 18, 2012
4
1
(Phys.org) -- Early on the morning of June 30th, 1908, a huge explosion occurred in a remote part of Siberia near the Podkamennaya Tunguska River. So great was the blast that trees were knocked down in neat rows for nearly ...
(Phys.org) -- Evidence used to support a possible extraterrestrial impact event is likely the result of natural processes, according to a new collaborative study led by U.S. Geological Survey scientists.
Earth Sciences
Apr 23, 2012
3
0
(PhysOrg.com) -- New fossil localities from North Dakota and Montana have produced the remains of a turtle that survived the 65 million-year-old meteorite impact that wiped out the dinosaurs. The resulting study, published ...
Archaeology
Jul 12, 2011
1
0
Scientists have discovered direct evidence of the diet of one of the most important group of ammonites, distant relatives of squids, octopuses and cuttlefishes. The discovery may bring a new insight on why they became extinct ...
Archaeology
Jan 6, 2011
0
0
(PhysOrg.com) -- University of Maine volcanologist Andrei Kurbatov and glaciologist Paul Mayewski, along with 21 other scientists, coauthored a scientific paper released late last month that details the discovery of a layer ...
Earth Sciences
Sep 8, 2010
12
0
According to NASA scientist David Morrison, the widespread Internet rumor that the world will end in 2012 due to some astronomical event is a hoax. Dr. Morrison attributes the hype to 'cosmophobia' fueled by fake science ...
Space Exploration
Oct 20, 2009
21
0
Oregon State University researchers found that U.S. adults are fairly confident in linking wildfires and heat to climate change, but less confident when it comes to other extreme weather events like hurricanes, flooding or ...
Environment
Jun 13, 2024
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