NASA's Asteroid Sample Return Mission Moves into Development
NASA's first mission to sample an asteroid is moving ahead into development and testing in preparation for its launch in 2016.
North Korea Sends First High-Level Envoy to China This Year Amid Cooling Relations
For the first time this year, and for the first time since China's change of leadership, a high-ranking North Korean official has made a visit to its neighbor and largest trading partner.
Asteroid 1998 QE2 to Sail Past Earth Nine Times Larger Than Cruise Ship
On May 31, 2013, asteroid 1998 QE2 will sail serenely past Earth, getting no closer than about 3.6 million miles, or about 15 times the distance between Earth and the moon.
Two Months of Breaking Ice (in under five minutes)
This video is a time-lapse sequence, compressing about 60 days into less than five minutes, taken from the bridge of the nathaniel B. Palmer as the ship "carves" forward through the Antarctic ice. Cassandra Brooks is studying international ocean policy and is focusing particularly on Antarctic marine ecosystem protection.