Pluto hasn't been a planet for almost 20 years. In the early 2000s, scientists discovered several objects of a similar size to Pluto. So, during the summer of 2006, members of the International ...

The coldest recorded temperature on Earth is minus 128.6 degrees Fahrenheit, but many other planets are regularly colder than this. Temperatures on Mars, for example, range from 70 degrees all the way ...

BEIJING, June 3 (Reuters) - China's Chang'e-6 lunar probe looks set to begin its historic journey back to Earth from the moon's far side after collecting samples that scientists expect will help ...