The engineering lesson is simple: Sometimes the best observatory is the one already parked at another planet. When an interstellar comet was in a viewing geometry that kept Earth-based telescopes too ...

NASA InSight lander snapped this selfie when its solar panels were still clean from dust. NASA’s InSight lander was a very different mission from the space agency’s famous wheeled Mars rovers. It ...

NASA's Curiosity Mars rover captured this view looking back down at the floor of Gale Crater from its location on Mount Sharp on Feb. 7, 2025, the 4,447th Martian day, or sol, of the mission.

After a seven-month journey from Earth, a camera-laden NASA spacecraft swung into orbit around Mars on Friday to unravel the mystery surrounding the planet's changing face. The long braking maneuver, ...