The buried structures are found under a deposit known as the Margin unit, rich in magnesium carbonates. The team found that the buried structures suggested multiple erosional and depositional episodes ...

Multiple spacecraft and rovers have now detected what appears to be an extensive network of ancient river channels hidden beneath the Martian surface, buried under layers of lava and sediment that ...

Idaho's Silver Valley has produced about 1.2 billion ounces of silver since the late 1800s, enough to cast a solid cube ...

Natural fibers promoted as sustainable alternatives to plastic, including cotton and wool, have been found preserved in a U.K. lake for more than a century—challenging assumptions that they quickly ...