NASA Needs Ideas to Study Potentially Hazardous Asteroid Apophis
Asteroid 99942 Apophis is fast approaching our home planet for an uncomfortably close encounter in 2029. In order to prepare for the rare event, NASA is calling for ideas for…
This Nonprofit Wants to Catapult Material From Incoming Asteroids to Protect Earth
In February 2013, an asteroid about the size of a house punched its way through Earth’s atmosphere and broke apart over the city of Chelyabinsk, Russia. The blast was so…