
Decelerating American Physics: Panel Advises Shutdown of Last U.S. Collider
The Relativistic Heavy Ion Collider is first in line for possible budget cutbacks

Decelerating American Physics: Panel Advises Shutdown of Last U.S. Collider
The Relativistic Heavy Ion Collider is first in line for possible budget cutbacks

A Revolution in Astronomy
Science has progressed from wild speculation about Earth's planetary neighbors—including how they formed and whether they are inhabited—to a better understanding of our celestial neighborhood


Star Near Our Solar System May Be the Oldest Known
The proximity of HD 140283, at 186 light-years from our solar system, made it a target of a highly precise age measurement that put it at 13.2 billion years old

Scientists Extend Einstein’s Relativity to the Universe’s First Moments
New calculations extend Einstein's general theory of relativity into the universe's first few moments

Black Hole Firewalls Confound Theoretical Physicists
If a new hypothesis about black hole firewalls proves correct, at least one of three cherished notions in theoretical physics must be wrong.

Shifty Sightings: Hubble Images Reveal 7 of the Most Distant Galaxies Ever Seen
The latest finds from Hubble date to just a few hundred million years after the big bang

A "Gem" of a Meteor Shower Is Coming up Next Week
The Geminid Meteor Shower offers stargazers a host of slow, bright fireballs and lasts for two to three days

Galaxy Grande: Milky Way May Be More Massive Than Thought
Hubble observations of a speedy galaxy weigh on the Milky Way and indicate that our galaxy is at least a trillion times as massive as the sun

40 Years after the Final Apollo Moon Mission

Exoplanet Discoveries to Date Are Just a Drop in the Bucket [Interactive]
Systematic searches are revealing a plenitude of alien worlds

Exoplanet Discoveries to Date Are Just a Drop in the Bucket
Systematic searches are revealing a plenitude of alien worlds

Is the Milky Way a Cannibal? An Astronomer Travels to the Driest Place on Earth to Find Out
At the driest place on Earth, one astronomer sifts through starlight to find clues about the Milky Way's evolution. Here is her account of a typical trip, based on four days in March 2011