ANU scientists have found that Earth is made of the same elements as the Sun, but it has less of the volatile elements such as hydrogen, helium, oxygen, and nitrogen. Lead author of the study, Dr. Haiyang Wang, said they made the best estimate of the composition of Earth and the Sun with the aim ...
Over the last 540 million years, the Earth has weathered three major ice ages — periods during which global temperatures plummeted, producing extensive ice sheets and glaciers that have stretched beyond the polar caps. Now scientists at MIT, the University of California at Santa Barbara, and the University of California at Berkeley have identified the ...
When UC Santa Barbara geology professor emeritus James Kennett and colleagues set out years ago to examine signs of a major cosmic impact that occurred toward the end of the Pleistocene epoch, little did they know just how far-reaching the projected climatic effect would be. Kennett noted: “It’s much more extreme than I ever thought when ...
NASA has discovered “moving water” on the lunar surface. The agency’s Lunar Reconnaissance Orbiter (LRO) probe, which has been orbiting the Moon since 2009, has identified water molecules being absorbed and released from lunar dust all through the day depending on surface temperature. While this does not mean that there are rivers flowing on our ...
High IQs aren’t going to be enough to stop an ecological disaster. It’s going to take social intelligence, too. That’s the conclusion of a new study co-authored by a University of Central Florida researcher and published in the journal Nature Communications. The findings could help identify why some groups better manage shared resources, such as water ...
A new wallaby-sized herbivorous dinosaur has been identified from five fossilized upper jaws in 125 million-year-old rocks from the Cretaceous period of Victoria, southeastern Australia. Reported in the Journal of Paleontology, the new dinosaur is named Galleonosaurus dorisae, and is the first dinosaur named from the Gippsland region of Australia in 16 years. According to Dr. ...
Located in the constellation of Hercules, about 230 million light-years away, NGC 6052 is a pair of colliding galaxies. They were first discovered in 1784 by William Herschel and were originally classified as a single irregular galaxy because of their odd shape. However, we now know that NGC 6052 actually consists of two galaxies that are in the process of ...
A new IMAS and CSIRO collaborative study has found that balloons are the highest-risk plastic debris item for seabirds — they are 32 times more likely to kill than ingesting hard plastics. Researchers from IMAS, CSIRO, and ACE CRC looked at the cause of death of 1,733 seabirds from 51 species and found that one in three ...
The products of wastewater treatment have been found to contain trace amounts of antibiotic-resistant DNA. These products are often reintroduced to the environment and water supply, potentially resulting in the spread of antibiotic resistance. As such, researchers at the University of Southern California Viterbi School of Engineering have been studying the development of these potentially ...
When China’s Chang’e-4 probe landed on the lunar surface in January this year, it was the first robotic probe in the world to land on the dark side of the Moon. The rover recently sent out interesting data that points to the possibility that the nights on the dark side of the Moon are actually ...
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