Now in its third year of orbiting a distant dwarf planet, a spacecraft from Earth is as active as ever. Like a master artist, Dawn is working hard to add fine details to its stunning portrait of Ceres.
NASA has only flown astronauts aboard a rocket's first flight once, when John Young and Bob Crippen took space shuttle Columbia on the boldest test flight in history. What are the risks of repeating the feat for SLS?
Every year, teachers and educators gather by the thousands at the National Science Teachers Association (NSTA) Conference. We at The Planetary Society will be there again this year to share our love of space science and exploration with the people who are shaping the future—people like you.
For nearly two years, Opportunity's world has been tilted 10–25 degrees as it drove down to the lower slopes of the wall of Endeavour Crater. Toward the end of last week, Opportunity pulled itself up and over the lip of the crater.
Could NASA and its international partners construct a space station in orbit around the Moon? Possible designs are being finalized, but the Trump administration has yet to weigh in on the agency's human spaceflight program.
Driving the Mars Exploration Rovers (MER) mission further into its fourteenth year of surface operations, Opportunity continued hiking the slopes of Cape Tribulation in February and finally reached the crest of Endeavour Crater’s western rim.