China plans to hit an asteroid with a Mach 26 projectile in planet defence test
China’s first planetary defence mission appears to be far more ambitious than Nasa’s Double Asteroid Redirection Test (Dart),…
China is building early warning system to spot Earth-smashing asteroids
China is developing an early warning system to spot asteroids that might smash into the Earth, according to…
All about the Tunguska event
On June 30, 1908, at around 7:15 am local time, a bright streak tore across the sky over…