Robotic Spaceflight, Space Exploration Israeli Moon lander to touch down near Apollo landing sites next month
Human Spaceflight, Space Exploration Space is expensive. Can 3D printing and on-orbit construction drive down the cost?
Exoplanets, Planets, Solar System, Space Exploration NASA’s Perseverance rover lands tomorrow. A lead scientist explains its goals and tech
Exoplanets, Planets, Robotic Spaceflight, Solar System Jezero Crater: Perseverance rover will soon explore geology of ancient crater lake
Exoplanets, Planets, Robotic Spaceflight, Solar System Ask Astro: Can New Horizons help us find Planet Nine?
Science While watching a total lunar eclipse, I still can faintly discern the Moon’s disk, even during the umbral portion of the eclipse. How is this possible, given that no significant source of light reflects from the Moon at that time?