Scientists are studying the aurora's every move.
New England is full of granite that has locked away a record of how north has evolved over the centuries.
Newsworthy eye candy
Helping the Earth combat solar storms
Gathering info from a rocky collision course
Short answer: Maybe, but they'd be very busy
The (controversial) plan will go live in early 2015.
Earth-like exoplanets are really common, and that's pretty cool.
The base is nearly as big as New Mexico!
Can't beat that view.
GeoEye celebrates 12 years of snapping images from outer space in one stunning 2013 calendar.
Not all that long if Santa knew how to stretch time like a rubber band!
In three possible ocean locations, the planet's crust may be thin enough for a drill to penetrate all the way through.
New detection method could help spot signs of life on exoplanets
The exoplanet census is doubled again
Survey of scientists compiles astronomical wishlist for the next decade
PopSci tackles life's whys, hows and who-dunnits in this Q&A-style; feature
Awed at the pace of technological advances, a faction of geeky writers believes our world is about to change so radically that envisioning what comes next is nearly impossible.