The Solar System

NASA has selected the nine finalists of the Power to Explore Challenge, a national competition for K-12 students featuring the enabling power of radioisotopes. NASA selected nine finalists out of the 45 semifinalist student essays in the Power to Explore Challenge, a national competition for K-12 students featuring the enabling power of radioisotopes. Contestants were […]

The 24th sample taken by the six-wheeled scientist offers new clues about Jezero Crater and the lake it may have once held. Analysis by instruments aboard NASA’s Perseverance Mars rover indicate that the latest rock core taken by the rover was awash in water for an extended period of time in the distant past, perhaps […]

On Jan. 19, 2024, at 10:20 a.m. EST, the JAXA (Japan Aerospace Exploration Agency) Smart Lander for Investigating Moon (SLIM) landed on the lunar surface. Five days later, NASA’s Lunar Reconnaissance Orbiter (LRO) spacecraft passed over the landing site and photographed SLIM. LRO acquired the image at an altitude of about 50 miles (80 km). […]

When the asteroid Psyche has its first close-up with a NASA spacecraft, scientists hypothesize they will find a metal-rich asteroid. It could be part or all of the iron-rich interior of a planetesimal, an early planetary building block, that was stripped of its outer rocky shell as it repeatedly collided with other large bodies during […]