The Earth's most powerful telescope goes online next week

We are about to see what happens when stars come to life. On March 13, the Atacama Large Millimeter/Sub Millimeter Array (ALMA) goes online. It's the most powerful such telescope ever built, and is part of a class of "very large telescopes" that combine the power of several massive antennae to gather information… » 3/08/13 5:00pm 3/08/13 5:00pm

The lights in the universe are going out. Now astronomers think they…

The universe just isn't what it used to be. Billions of years ago, when the universe was still in its infancy, the casual observer would have seen stars forming all around him, and at a pretty rapid clip. In recent years, however (i.e. the last few billion), the rate of star formation has slowed to a fraction of its… » 8/23/11 12:00pm 8/23/11 12:00pm