A fossilized molar from an ancient Pacific mastodon, a large mammal that once roamed North America, has been discovered in remarkable condition by a California scientist. The 10,000-year-old tooth was found intact in the San Francisco Bay Area.
Brigid Lynch, a geomorphologist, made the significant find while working at a preserve in San Mateo County. During her fieldwork, she identified a peculiar rock that turned out to contain the well-preserved fossil.
On this day in 1992, NASA astronaut Mae Jemison became the first African American woman to travel to space during the STS-47…
Scientists using high-powered lasers found diamond melts over 1,300 degrees Fahrenheit lower than previously believed, resolving a major scientific discrepancy.
Astrophotographer Osama Fathi captured a stunning composite of Perseid meteors and star trails over Egypt's Western Desert during the peak of the…
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