February 19, 2011
Life 2.0? First let's figure out Life 1.0
Extraterrestrial Life
The SciencesFebruary 16, 2011
The Sundance Diaries: Focus on the Alfred P. Sloan Foundation
The Young American Scientists Issue—Read Now
Space & PhysicsFebruary 2, 2011
A Wealth of Worlds: Kepler Spacecraft Finds 6 New Exoplanets and Hints at 1,200 More
A newfound planetary system has six worlds, five of which rank among the smallest known, and the list of unconfirmed candidates has swelled to four figures
Space & PhysicsJanuary 20, 2011
Habitable exoplanet claim gets another challenge
The SciencesJanuary 13, 2011
An arsenic-laced bad-news letter: Who is the audience for online post-publication peer review?
Space & PhysicsJanuary 11, 2011
Space scope finds scorched super-Earth
Kepler's latest discovery is step closer to a true Earth analogue.
Space & PhysicsJanuary 2, 2011
What's Out There? Take Our SETI Poll
Space & PhysicsJanuary 1, 2011
Contact: The Day After
If we are ever going to pick up a signal from E.T., it is going to happen soon, astronomers say. And we already have a good idea how events will play out
December 29, 2010
Habitable and not-so-habitable exoplanets: How the latter can tell us more about our origins than the former
Space & PhysicsDecember 17, 2010
Cosmos Incognita: Voyager 1 Spacecraft Arrives at the Cusp of Interstellar Space
Thirty-three years into its voyage, the solar wind speed around Voyager 1 has dropped to zero as the space-hardened craft nears a milestone in its journey out of the solar system
Space & PhysicsDecember 16, 2010
Citizen scientists join the exoplanet hunt
EvolutionDecember 7, 2010
Microbe gets toxic response
Researchers question the science behind last week's revelation of arsenic-based life.