Journey back to 2015 when the Dawn spacecraft first orbited Ceres, the colossal dwarf planet in our inner solar system. Dive ...

LOS ANGELES - NASA's pioneering Dawn spacecraft, a year late in being launched and 20 percent over budget, is slowly creeping up on the protoplanet Vesta and is expected to enter orbit around it about ...

As suspected, Vesta is no mere asteroid. It is a protoplanet, a remnant of the early days of our solar system that never grew up because Jupiter kept stealing all its potential mass. A 10-month study ...

Recently, NASA's Interstellar Mapping and Acceleration Probe (IMAP), along with the agency's Carruthers Geocorona Observatory and NOAA's Space Weather Follow On-Lagrange 1 (SWFO-1) spacecraft, were ...