March 13, 2012 The things we can see in the universe are moving faster than they should be. Why? Is the answer Dark Matter, or a physics we're not yet aware of? Science has made its choice. Only time will tell if the consensus was correct.
March 6, 2012 Left to its own devices it seems the "dark universe" would never be able to make something as remarkable as life. Now that is something to ponder. Perhaps the dark universe makes us matter more than we ever realized.
March 4, 2012 The exquisite warp seen here is likely caused by interactions with other galaxies. Collisions or "harassment" between galaxies is quite common and may be the most important process shaping galactic evolution.
January 11, 2012 Did time start with the big bang? What's outside the universe? Here are answers to these and other questions you always wanted to ask about the universe.
December 14, 2011 As modern science traces the steps from the big bang to intelligent life, the question of whether we are the rule or the exception leaps to the forefront.
December 6, 2011 Just as we starting to find new worlds beyond our own, we have also developed a new and highly sophisticated understanding of how Earth and its life evolve together. Astrophysicist and commentator Adam Frank says this is no coincidence.
November 2, 2011 Did the universe originate from nothing? In a new NOVA series, Brian Greene will be describing some of the modern scientific views on space and time.
October 25, 2011 How long is long enough when it comes to waiting for a new cosmology? How long will scientists, or everyone else for that matter, wait for an exciting, though speculative, theory to find some basis in experiment?
October 5, 2011 This years Nobel Prize in physics celebrates what is the biggest mystery in physics today. What's causing the cosmic acceleration?