August 23, 2012
Red Giants and White Dwarfs Make Explosive Stellar Pairings
A new study indicates that stellar explosions can involve many different kinds of stars
Galaxies
July 31, 2012
Running Lights: Did Expelled Stars Re-Ionize the Ancient Universe?
Hot stars booted out of their galactic homes may be responsible for creating the conditions that led to today's universe
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Space & PhysicsJuly 27, 2012
How Hot Is the Hottest Star? [Excerpt]
In a new book, astronomer Bryan Gaensler explores the extremes of the universe
Space & PhysicsJuly 19, 2012
Primordial Pinwheel: Astronomers Spot Oldest Prominent Spiral Galaxy Yet
Three billion years after the big bang most galaxies were clumpy and odd-shaped, but at least one had already assumed a familiar form, and may elucidate how modern galaxies got their shapes
July 9, 2012
Dark Matter Bridges Galaxy Clusters
Gravitational lensing shows that two galaxy clusters are connected by a filament of dark matter. John Matson reports
July 6, 2012
Gravitionally Lensed Light Caused by Ancient Massive Galaxy Cluster
Astronomers observed light warped by the lensing effect of a massive galaxy cluster more than 10 billion light-years away, the most distant cluster ever responsible for perceived lensing. Evelyn Lamb reports
Space & PhysicsJune 25, 2012
30 under 30: Tracing the Evolution of the Universe
Meet Minnie Mao, 26, one of the up-and-coming physicists attending this year's Lindau Nobel Laureate Meeting
Space & PhysicsJune 15, 2012
30 under 30: A Radio Astronomer Investigating Galaxy Evolution
Meet Jacinta Delhaize, 25, one of the up-and-coming physicists attending this year's Lindau Nobel Laureate Meeting
The SciencesJune 14, 2012
30 under 30: An Astronomer Tracing the Universe's History
Meet Eduard Rusu, 27, one of the up-and-coming physicists attending this year's Lindau Nobel Laureate Meeting
The SciencesJune 13, 2012
30 under 30: A Passion for Early-Universe Cosmology and Epic Bike Trips
Meet Laurence Perreault Levasseur, 24, one of the up-and-coming physicists attending this year's Lindau Nobel Laureate Meeting
Space & PhysicsJune 5, 2012
Iron in the Fire: The Little-Star Supernovae That Could
Exploding white dwarf stars and an unexpected abundance of iron explain the chemistry of a unique star cluster
June 1, 2012
The Man Who Knew Venus Would Transit the Sun [Excerpt]
Amateur astronomer Jeremiah Horrox was the only person in England, and possibly the entire world, convinced that a Venus solar transit would occur in 1639, an event that Johannes Kepler himself had failed to predict