Astrobiologist David Grinspoon wrote a book looking at the past 10,000 years and other Earth-like planets, such as Venus and Mars, to discuss climate change on Earth. Now, he’s giving […]
10,000 years of change
Like it or not, it's home
In October 1957 the USSR sent Sputnik, the first satellite, in space to orbit the Earth. In 1961 the first human journeyed to space, followed in 1969 by the first man on the […]