Dark Matter in the Universe
According to current scientific theories, dark matter and dark energy make up most of the universe. But we don't even know what they actually are.
A New Tool in the Search for Alien Life
China is bringing a huge new radio telescope on-line, and part of its stated purpose will be to search for alien life.
The Mysterious Ocean of Enceladus
Saturn’s moon Enceladus has a secret. For some years, scientists have been convinced that there is a liquid ...
The Internet Before the Internet: Paul Otlet’s Mundaneum
Belgian information activist Paul Otlet envisioned some of the possibilities of today’s Web more than a century before its existence.
Tambora: The Volcano Felt Around the World
Tambora's explosion was one of the largest volcanic events in recorded history.