Life
Rover finds first life-friendly environment on Mars
Curiosity's first sample of drilled Martian rock shows traces of ancient water that would have been fresh enough to support microbes 鈥� and perhaps even drink
News
Space
Salty water oozes up from Jupiter moon’s hidden ocean
News
Space
Mystery ring of radiation briefly encircled Earth
News
Space
Space gold rush should not be a free-for-all
Opinion
Space
Space miners hope to build first off-Earth economy
News
Space
First private Mars mission aims to launch in 2018
News
Space
Astrophile: Icy Titan spawns tropical cyclones
News
Life
Comet rain took life’s ingredients to Jupiter’s moons
News
Earth
How was Earth’s life kindled under a cold sun?
Features
Space
Earth and others lose status as Goldilocks worlds
Several planets are taking a hit thanks to a redefinition of the habitable zone 鈥� the area around a star in which liquid water can theoretically exist
News
Space
Close call coming: Averting the asteroid threat
Features
Physics
Dwarf planet Eris may reveal quantum gravity
News
Space
Space-miners to crush asteroids and 3D print satellites
News
Earth
Titan holds clue to faint young sun paradox
News