An international team of researchers has found that neon inside a certain massive star can eat so many electrons in the core, a process called electron capture, that it causes the star to collapse into a neutron star and produce a supernova. The researchers were interested in studying the final fate of stars within a ...
Griffith University scientists have led an international team to date the fossil skull of an early human found in Africa, potentially upending human evolution knowledge with their discovery. The Broken Hill (Kabwe 1) skull is one of the best-preserved fossils of the early species Homo heidelbergensis and was estimated to be about 500,000 years old. ...
Early cave paintings of hunting scenes may give the impression our Stone Age ancestors lived mainly on chunks of meat, but plants — and the ability to unlock the glucose inside — were just as key to their survival. Plants rich in starch helped early humans to thrive even at the height of the last ...
Eight and a half years into its grand tour of the solar system, NASA’s Voyager 2 spacecraft was ready for another encounter. It was Jan. 24, 1986, and soon it would meet the mysterious seventh planet, icy-cold Uranus. Over the next few hours, Voyager 2 flew within 50,600 miles (81,433 kilometers) of Uranus’ cloud tops, collecting ...
In the midst of the CCP coronavirus outbreak, there has been a wave of fear and misinformation related to the use of anti-inflammatory drugs, like ibuprofen (Advil and Motrin). Over the past week, rumors claiming that ibuprofen can kickstart the virus into pneumonia, or make the virus 10 times worse, have been quick to spread ...
New research into the evolutionary history and prehistoric migrations of hyenas reveals surprising similarities between them and prehistoric humans. The results from the University of Copenhagen and the University of Potsdam also indicate that humans had a detrimental effect on hyena populations about 100,000 years ago. Prehistoric humans left Africa for the first time about ...
The Earth, the solar system, the entire Milky Way, and the few thousand galaxies closest to us move in a vast “bubble” that is 250 million light-years in diameter. Here, the average density of matter is half as large as for the rest of the universe. This is the hypothesis put forward by a theoretical ...
Using data from the Dark Energy Survey (DES), researchers have found more than 300 trans-Neptunian objects (TNOs), minor planets located in the far reaches of the solar system, including more than 100 new discoveries. Published in The Astrophysical Journal Supplement Series, the study also describes a new approach for finding similar types of objects and ...
Researchers using ESO’s Very Large Telescope (VLT) have observed an extreme planet where they suspect it rains iron. The ultra-hot giant exoplanet has a day side where temperatures climb above 2400°C, high enough to vaporize metals. Strong winds carry iron vapor to the cooler night side where it condenses into iron droplets. David Ehrenreich, a professor ...
Associate professor of anthropology Charles Golden and his colleagues have found the long-lost capital of an ancient Maya kingdom in the backyard of a Mexican cattle rancher. Golden, in collaboration with Brown University bioarchaeologist Andrew Scherer and a team of researchers from Mexico, Canada, and the United States, began excavating the site in June 2018. ...
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