Charles Bolden

CAPE CANAVERAL, FL - OCTOBER 07: A SpaceX Falcon 9 rocket attached to the cargo-only capsule called Dragon lifts off from the launch pad on October 7, 2012 in Cape Canaveral, Florida. The rocket is bringing cargo to the International Space Station that consists of clothing, equipment and science experiments. (Photo by Joe Raedle/Getty Images)

Boeing, SpaceX Will Beat Russia On Price For Astronaut Rides

NASA astronauts have been hitching rides on Russian rockets to reach the International Space Station since the U.S. retired its space shuttle launches in 2011.

01/26/2015

(Photo by NASA via Getty Images)

NASA Awards Space Contract To Boeing and SpaceX

NASA chose Boeing and SpaceX to ferry astronauts to the International Space Station within the next few years.

09/16/2014

2013 Astronaut candidates. (Source: NASA.gov)

NASA Picks 8 New Astronauts, 4 Of Them Women

For the first time in four years, NASA has a new group of potential astronauts.

CBS Miami–06/17/2013

(Photo by NASA via Getty Images)

2011 Marked End Of An Era For NASA

2011 marked the end of an era as NASA retired its manned space shuttles after 30 years in space. As the shuttles were packed off for their final resting places in a handful of museums, NASA turned its attention to the future of manned space travel and possibly trips to an asteroid and Mars.

CBS4–12/29/2011

An image combining orbital imagery with 3-D modeling shows flows that appear in spring and summer on a slope inside Mars' Newton crater. Sequences of observations recording the seasonal changes at this site and a few others with similar flows might be evidence of salty liquid water active on Mars today. (Photo Credit: NASA/JPL-Caltech/Univ. of Arizona)

Mars May Have Salty Water

NASA has made an out-of-this world discovery on the planet Mars. Scientists say they have found new evidence of possible saltwater flows on Mars.

CBS4–08/04/2011