Life tried, but it did not work. As the Late Devonian period approached, more and more living things died out, culminating in one of the greatest events of mass extinction our planet has ever witnessed, some 359 million years ago. The culprit responsible for so many deaths may not have …
Read More »Betelgeuse is dimmed again
Just when you thought it was safe to go back to ignoring Betelgeuse, the red giant star began to reappear. After its first round of dimming, and then clear, Betelgeuse has now once again started dimming again. Moreover, this new dimming is consistent with the current cycle of Betelgeuse variation …
Read More »Scientists say Greenland’s Melting Ice Sheet ‘It Point of No Return’ has been passed on
Greenland’s ice sheet may have hit a tipping point that puts it on an irreversible path to disappear completely. Snowfall that normally fills the glaciers of Greenland every year can no longer keep up with the rate of ice melting, according to researchers from Ohio State University. This means that …
Read More »We may finally know what killed the woolly rhinos, and they were not humans
A woolly brown rhinoceros that waited two tons once roamed northeastern Siberia before mysteriously disappearing about 14,000 years ago. Was his death caused by humans, or by the warming climate of the time? A new study by a Swedish and Russian team of scientists examining DNA fragments of the remains …
Read More »We just found the fastest star in the Milky Way, traveling at 8% the speed of light
We found the fastest known star in the Milky Way. In the extreme environment at the center of our galaxy is a newly discovered star named S4714 around the supermassive black hole Sagittarius A *. On its orbital journey, S4714 reaches a speed of about 8 percent of the speed …
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