
Tell-Trail: Astronomers Discover Debris Tailing a Newly Disrupted Asteroid [Video]
What at first appeared to be a newfound comet is in fact an asteroid that very recently shed a trail of debris--possibly from a collision with a smaller object
John Matson is a former reporter and editor for Scientific American who has written extensively about astronomy and physics.

Tell-Trail: Astronomers Discover Debris Tailing a Newly Disrupted Asteroid [Video]
What at first appeared to be a newfound comet is in fact an asteroid that very recently shed a trail of debris--possibly from a collision with a smaller object

European astronomers unable to confirm rival team's potentially habitable planet

Star-chaeology: Astronomers Zeroing In on Early, Unseen Stage of Star Formation
Two recent papers have proposed possible "first cores"--short-lived objects that give rise to protostars

Comet-Chasing Rosetta Spacecraft Gets an Up-Close Look at Asteroid Lutetia [Slide Show]
The Rosetta spacecraft got a good look at the large, main-belt asteroid during a July flyby

Graphene Researchers Geim and Novoselov Win Nobel Prize in Physics [Updated]
One-atom-thick sheets of carbon have been on the scene for just six years but have already drawn a wealth of research interest

China's space program continues its ascent with launch of a second unmanned moon mission

Artificial Event Horizon Emits Laboratory Analogue to Theoretical Black Hole Radiation
A laboratory experiment may have offered the first glimpses of a long-predicted quantum effect known as Hawking radiation

Legislation Setting NASA's New Direction Finally Clears Congress
The House of Representatives and the Senate have agreed on a NASA authorization bill, which would catalyze the commercial space industry and add an extra space shuttle flight in 2011

Planet Hunters Discover a World That Could Harbor Life
A newfound "super-Earth" just 20 light-years away appears to reside in the habitable zone of its host star

Plate Tech Tonic: World's Largest Collection of Astronomical Photographic Plates Is (Slowly) Going Digital
The Harvard College Observatory archive holds half a million glass plates recording a century's worth of observations covering the entire night sky

Light-control measures appear effective near a key Arizona astronomical site

How Time Flies: Ultraprecise Clock Rates Vary with Tiny Differences in Speed and Elevation
Newly developed optical clocks are so precise that they register the passage of time differently at elevations of just a few dozen centimeters or velocities of a few meters per second

Annual predictions for the Nobel Prizes released

Telescopes out: Earth making its closest approach to Jupiter since 1963

The Hole Thing: Lunar Topographic Map Provides Rich Record of Impacts on the Moon
Laser altimetry data from NASA's Lunar Reconnaissance Orbiter have provided a comprehensive look at the cratering history of the inner solar system

Boeing unveils plans to launch private citizens into orbit

Laser-powered device delivers tiny projectiles with pinpoint accuracy

Sensors and Sensibility: Flexible Pressure Detectors Could Innervate Artificial Skin
Large arrays of pressure sensors could lend a human sense of touch to robots and might someday form the basis of better prosthetics

A Bit Cold: Physicists Devise a Quantum Particle "Refrigerator"
Just a few quantum objects could form the basis for a self-contained cooling machine

Holst's Planets Revisited: New York City Band Follows in Composer's Footsteps
A new album from the group One Ring Zero envisions a journey through the solar system and beyond

8 of the Most Extreme Places in the Solar System [Slide Show]
A new book highlights the most unique locations in the solar system, some of which are surprisingly close to home

Nearby asteroids are a diverse bunch in terms of reflectivity and composition

Physics of free kicks: The hidden advantage of long-distance soccer shots

Laying Odds on the Apocalypse: Experts Assess Doomsday
Could modern civilization really come to an end? Experts take stock of eight doomsday scenarios