CNET—Watch NASA launch one of the most ambitious missions to "touch" the sun with the Parker Solar Probe. The Probe will travel within 4 million miles of the Sun to study solar winds and learn how our home star affects weather patterns in space.
NASA Delays Parker Solar Probe Launch. There’s a lot we don’t know about the sun and its power, and this mission will help to fill in the blanks in the years to come. A second launch attempt on Sunday is possible.