Double asteroid tracked by VLT in planetary defense test

The European Very Large Telescope participated in test coordinated by the International Asteroid Warning Network, successfully targeting, tracking and imaging a double asteroid as it flew within 5.2 million km of Earth on 25 May.

There are Less Deadly Undiscovered Asteroids than we Thought

According to a new analysis, the number of undiscovered and potentially-hazardous asteroids is lower than previously thought.