A small near-Earth object might be a historic piece of space hardware: the Apollo 10 lunar module, dubbed "Snoopy."
As the White House requests an extra $1.6 billion for NASA's Artemis project, the agency moves forward with commercial partnerships.
A recent anti-satellite missile test by India added hundreds of pieces of debris to an already cluttered low-Earth orbit.
A unique concept could serve as an emergency power backup for future missions.
NASA's Lunar Gateway and a return to the Moon are the big winners in the 2020 budget proposed for the agency; the futures of planetary and Earth science are less clear.
The SPHEREX mission will create multiple surveys of the near-infrared sky that will reveal the origins of life and perhaps the universe itself.
Automation of a key process may yield an eightfold boost to U.S. plutonium production, a promising development for deep-space exploration.