As NASA’s asteroid impact mission nears, similar Chinese efforts raise eyebrows
NASA's DART spacecraft, designed to bash into a small asteroid and push it off course, is on track to impact on Sept. 26.
NASA's DART spacecraft, designed to bash into a small asteroid and push it off course, is on track to impact on Sept. 26.
The public experienced a moment of angst in 1997 when it looked like Asteroid XF11 might threaten the Earth in 2028. It didn’t. But that doesn’t mean the threat doesn’t exist or that we should do nothing about it. Asteroids and comets that come close to Earth are collectively known as Near Earth Objects (NEOs). […]