Funding for science is very much on the chopping block in President Trump's proposed budget. It's a fraught moment for NASA, particularly for those focused on earth science and not human space travel.

President Donald Trump said he is withdrawing the nomination of tech billionaire Jared Isaacman, an associate of Trump adviser Elon Musk, to lead NASA, saying he reached the decision after a

Jared Isaacman was just days away from becoming the new NASA administrator. So why did the president pull his own nominee?