A 35-year old spacecraft prepares to exit the solar system and enter interstellar space
Space
Dirt Found on Mars! Why the Red Planet Makes Us Crazy
The newest findings from Mars are solid, scientific and important – but they’re not enough to satisfy us
Science & Space
In 55 wide-ranging lists, TIME surveys the highs and lows, the good and the bad of the past 12 months
Martian Life? Not. Learning From a False Alarm
A few ill-chosen words led to an explosion of speculation — and that matters
Window on Infinity: Pictures from Space
From Mars Curiosity’s self portrait to a destructive Saturn cyclone, view our monthly roundup of cosmic highlights from November 2012.
Ice (and Maybe Organics) on Mercury
New NASA findings reveal that the tiny, fiery world includes some unexpected features
Flickering Stars: Could Aliens Be Sending Us Signals?
An improbable search for ET could produce real results
Meet Makemake — the New Pluto
A little world with an unusual name has some other strange features too
A Mars Announcement ‘for the History Books’? Not So Fast
Big news from Mars may turn out to be more modest than it sounds
The Earth as Art: Satellite Images of Our Planet from Orbit
The lidless eyes of the satellites circle the Earth, looking down upon the surface. The images that satellites like the U.S. Geological Survey’s Landsat 7 become instant feedback about our effect on the planet, how the Earth is
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