Emily Kwong and Regina Barber of NPR's Short Wave talk about a comet visiting from interstellar space, caterpillars that eat ...

KENNEDY SPACE CENTER — The White House confirmed on Saturday afternoon that President Donald Trump has pulled his nomination of Jared Isaacman as NASA’s next administrator.

The ancient Greek philosopher Anaxagoras (500-428 BC) was the first person to hypothesize that the seeds of life are present ...