Space
How the cold, dead moon stayed magnetic
Apollo moon rocks show the moon had a magnetic field long after its core was thought to have stopped churning 鈥� two new studies suggest what kept the core stirred up
News
Space
Most pristine known asteroid is denser than granite
News
Space
First icy star-disc hints at source of Earth’s water
News
Life
Comets may be creating oceans on alien planet
News
Environment
Venus has an ozone layer, too
News
Space
Bright ‘hollows’ on Mercury are unique in solar system
News
Space
Missing planet explains solar system’s structure
News
Space
Pluto’s icy exterior may conceal an ocean
News
Space
Probes launch to study moon’s interior
News
Earth
Giant Mars crater hints at steamy past
The first rock from the Endeavour crater is rich in zinc, pointing to a hot, watery history
News
Space
Extraterrestrial dust reveals asteroid’s past and future
News
Life
Evidence for Mars floods all dried up?
News
Space
Moon may be 200 million years younger than thought
News
Life
Dark streaks on Mars bolster case for liquid water
News