Scientists using NASA's orbital Fermi Gamma-ray Telescope find gamma rays and antimatter streaming out of thunderstorms into Earth's upper atmosphere.

In the business of getting to space, an access of sublime ephemerality. Video after the jump.

The largest subglacial lake in the world will begin to yield its secrets later this month, when a Russian drilling team reaches it beneath 4 km of Antarctic ice.

In an interview with Elizabeth Kolbert, E. O. Wilson's warning: evolution has its times and its textures, and we risk making out its patterns too late.

Mats of extremophile bacteria? Bio-colonized pigments in an ancient aboriginal petroglyph? Or an image of our nearest planetary neighbor? Answer after the jump.

The Bradshaw paintings, petroglyphs found on the lands of Australia's Wanjina Wunggurr Wilinggi people, are perhaps 46 to 70,000 years old�yet their colors remain bright, their figures sharply delineated. A new study suggests that the colors remain vivid because they're alive.

A mystery deepens as more redwing blackbirds turn up dead in the America South. It's likely not UFOs or secret weapons, but the birds' instinctual flocking behavior, that's to blame.

The decline of experimental results isn't something many scientists want to talk about, writes Jonah Lehrer. But perhaps when it comes to science, such disappointment isn't a bug but a feature.

Seven years ago, Mars Exploration Rover Spirit landed on Mars. Mired in 2009 after traveling nearly five miles across the Martian landscape and silent since March, Spirit's parking spot may be its final resting place.

Cassini's composite picture of the gas giant drives home what a vast, strange, and compelling world it is.