Whether they look more like us or have green skin, many of these alien races are some of the most well-known extraterrestrials in science fiction. Natives of the planet Rann, the Rannians look like ...

When the facts change”, economist JM Keynes is supposed to have said to a critic, “I change my mind. What do you do, sir?” ...

The most striking, colorful snails in the world are in danger — precisely because of their beauty. Polymita tree snails (also ...

Ancient stone tools that were discovered in the Tunel Wielki cave in Poland around 50 years ago have been re-examined and ...

At the very beginning of this book, you write, “How would your understanding of the meaning of your life change if you knew ...

The dodo bird vanished more than 300 years ago, but its story still sparks curiosity. Native to just one island and wiped out ...