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solar system

Meteorites could have been source of life's batteries

Life

Meteorites could have been source of life's batteries

Dissolved in volcanic ponds, meteorites could have provided early life with the chemicals it needed to store energy

News

Astrophile: Mighty Trojan found marching with Uranus

Space

Astrophile: Mighty Trojan found marching with Uranus

News

Rover finds first life-friendly environment on Mars

Life

Rover finds first life-friendly environment on Mars

News

Salty water oozes up from Jupiter moon's hidden ocean

Space

Salty water oozes up from Jupiter moon's hidden ocean

News

Mystery ring of radiation briefly encircled Earth

Space

Mystery ring of radiation briefly encircled Earth

News

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Space

Space gold rush should not be a free-for-all

Opinion

First private Mars mission aims to launch in 2018

Space

First private Mars mission aims to launch in 2018

News

Space miners hope to build first off-Earth economy

Space

Space miners hope to build first off-Earth economy

News

Astrophile: Icy Titan spawns tropical cyclones

Space

Astrophile: Icy Titan spawns tropical cyclones

News

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Life

Comet rain took life's ingredients to Jupiter's moons

Ground-up comets sprinkled over Europa may have seeded the moon's under-ice ocean with carbon-based compounds

News

Earth

How was Earth's life kindled under a cold sun?

Features

Space

Earth and others lose status as Goldilocks worlds

News

Space

Close call coming: Averting the asteroid threat

Features

Space

Dwarf planet Eris may reveal quantum gravity

News

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