Two Grand Canyon-size valleys on the far side of the moon formed within 10 minutes, scientists say
Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object slammed into the moon 3.8 billion years ago.
Senate confirms fracking executive Chris Wright as Trump's energy secretary
The U.S. Senate on Monday confirmed Chris Wright, a fracking executive, to be President Donald Trump's energy secretary.