NASA’s Cassini mission comes to a fiery end
After a 20-year voyage around Saturn, NASA's Cassini spacecraft has completed its mission with a final plunge into the planet's atmosphere.
At around 7:31 AM eastern time, the Cassini-Huygens spacecraft disintegrated and plunged into Saturn,...
The science of carbon dioxide and climate
The vast majority of scientists around the world agree that our climate is changing at a faster rate than ever recorded in human history because of our use of fuels such as coal and...