Asteroid

Small asteroid detected hours after it passed closer to Earth than some satellites
October 8, 2025
Oct. 8 (UPI) -- International space agencies say an asteroid zipped by Earth closer than a large number of satellites currently in orbit, but was not detected until hours...
Venus Hiding Dangerous Asteroids, Including One That Could Be a ‘City-Killer’ If it Impacts Earth: Study
May 28, 2025
Experts say Venus is hiding some asteroids that could potentially be deadly should they impact Earth.Venus currently has at least 20 co-orbital asteroids that have the potential to “approach...
China planning asteroid re-direct mission for planetary defense test
July 14, 2024
After NASA's successful planetary defense test in 2022, China’s space agency plans to launch a spacecraft designed to redirect a near-Earth asteroid by 2030.In a recent paper, China’s National...
Did I Mention an Asteroid May Kill You?
June 28, 2024
Planet killers are the biggest worry, obviously, followed by city killers. One way you can tell the science of asteroid risk is young is that it has not yet...