US President-elect Donald Trump says owning the Arctic island is vital for national security, but experts say he may also be ...

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.

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 ...

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