asteroid

NASA Deep Space Probe Reaches Asteroid Deemed Potential Earth Threat

A H-IIA rocket carrying Hayabusa 2 space probe blasts off from the launching pad at Tanegashima Space Center on the Japanese southwestern island of Tanegashima, in this photo taken by Kyodo December 3, 2014. Credit: Kyodo via Reuters/File Photo

Japanese Probe Arrives at Asteroid Ryugu After 3.5-Year Journey

Could Asteroid Strikes Cause Mass Extinctions on Earth in Ten Million Years?