The Cosmos
Stars, galaxies, nebulae, and cosmology
Also fundamental physics with possible astronomical or cosmological implications
Tutorials:
Big Bang
Inflation
The Cosmic Microwave Background
The Cosmic Dark Ages
Dark Matter
Dark Energy - For a more technical discussion go here.
Ask the Experts: What are dark matter and dark energy, and how are they affecting the universe? Measuring Stellar & Galactic Distances (difficult!)
Supernovas
Supernovas & Pulsars
Black Holes
Pulsars
Cosmology: the Observable Universe (moderately technical)
Cosmology (very difficult!)
May 23, 2011
"Astronomers have found that the giant black holes in the center of galaxies are on average spinning faster than at any time in the history of the universe."
May 23, 2011
"Globular clusters are among the most spectacular of objects in the entire night sky. Compact balls of hundreds of thousands of stars, well over a hundred orbit our galaxy at various distances."
May 23, 2011
"Two of the most bizarre ideas in modern physics are different sides of the same coin, say string theorists"
May 23, 2011
Is the classical law of gravity invalid when accelerations are very small?
May 22, 2011
"Most gamma-ray bursts come in two flavors." But there are exceptions.
May 21, 2011
"Kepler spacecraft finds much more than exoplanets"
May 21, 2011
"An international team, including NASA-funded researchers, using radio telescopes located throughout the Southern Hemisphere has produced the most detailed image of particle jets erupting from a supermassive black hole in a nearby galaxy."
May 20, 2011
"New results from NASA's Galaxy Evolution Explorer and the Anglo-Australian Telescope atop Siding Spring Mountain in Australia confirm that dark energy … is a smooth, uniform force that now dominates over the effects of gravity"
May 17, 2011
Is space an illusion? Also see http://en.wikipedia.org/wiki/Holographic_principle
May 16, 2011
"Nobel laureate's pet project catches final shuttle launch"
