What's up in
Earth & Life
Earth observation, climate, geology, oceans, ecosystems and the living world.
Tidal Locking Could Render Habitable Planets Inhospitable
Could Natural Nuclear Reactors Have Boosted Life on This and Other Planets
Civilizations beyond Earth: Extraterrestrial Life and Society
Research group proposes first system for assessing the odds of life on other worlds
China launches farm project in Bulgaria
The Methane Habitable Zone
Whitehouse Says No Contact With ET
Studying Biology's Dark Matter
Stellar Extremophiles
Nonterrestrial artifacts hard to pin down
