Space agencies from the US, Europe and Japan are all making plans to visit the asteroid Apophis when it makes an extremely close flyby in 2029 to learn how to deflect others like it ...

Pennsylvania town takes hilarious approach to try to cut down speeding with wavy road lines Rescued NASA astronauts deliver message ... telescope takes emergency look at 'city-killer' asteroid 2024 ...

A Q&A with Lindley Johnson, a pioneer in blueprinting warning and response scenarios to any potential impact of Earth by an ...