In January, William Gerstenmaier, associate administrator for NASA’s Human Exploration and Operations Mission Directorate, announced that the White House intends to extend international space station operations from 2020 to 2024 as part of the 2015 budget request to Congress. He also said that NASA has talked to its international partners about this. The issue for […]

On February 15 at 3:20:26 UTC, a supersonic flying space rock, roughly the size of a van or a small truck, entered Earth’s atmosphere, exploded at 24,140 meters over Russia’s Chelyabinsk, and produced a total destructive blast power of 500 kilotons. This means the destructive power yield was 30 times the blast yield of the […]