Bill Nelson has stepped down as NASA administrator, ending a half-century of public service. Nelson and NASA Deputy Administrator Pam Melroy left the agency on Monday (Jan. 20), the day that ...

BUT TIME AT THE TOP FOR BILL NELSON IS RUNNING OUT. THE ONE TIME ASTRONAUT, SENATOR, AND NOW NASA ADMINISTRATOR WILL SOON MAKE WAY FOR A NEW LEADER. TODAY, IN AN EXCLUSIVE INTERVIEW WITH WESH TWO ...