When is winter? Weather forecasters in the Northern Hemisphere will tell you Dec. 1 through the end of February, which is ...

In 1919, British astronomers Arthur Eddington and Frank Dyson organised an expedition to Príncipe, a forested fleck of land ...

Earth is not warming in a neat, even gradient. While the planet as a whole continues to heat up, one vast swath of the globe ...

Saturn is a planet widely recognisable for its iconic rings but a new study suggests Earth may also have had a similar ring system over 50 million years ago. As part of the research, 21 asteroid ...

For most of human history, chocolate existed only in a small corner of the world, in a form that would be all but ...