Shenghe's recent acquisitions are part of a broader Chinese strategy to move up the rare earth value chain. As China buys more upstream products from abroad, its exports of rare earth permanent ...

A reanalysis of the data from the "rubber-ducky" comet 67P, collected nearly a decade ago, suggests comets may have deposited a lot more water on Earth than scientists previously thought.

The researchers suspect that long-term declines in plant quality may be a largely unnoticed factor in falling animal ...