In the glare of the sun, an unknown number of near-Earth asteroids move on unseen orbits. A new generation of infrared telescopes could be our best defense against potential disaster.
The sun is blinding us to thousands of potentially lethal asteroids. Can scientists spot them before it's too late? : Read more
The sun is blinding us to thousands of potentially lethal asteroids. Can scientists spot them before it's too late? : Read more