Astrophysics

France Cordova takes the helm of the National Science Foundation at a time of tight federal budgets for science

Lawrence Krauss, theoretical physicist at Arizona State University, answers an age-old question.

The solar system's periodic passage through a "dark disk" on the galactic plane could trigger comet bombardments that would cause mass extinctions

Tyson hopes that the updated Cosmos can play a small part in improving the severe lack of scientific literacy among many adults today

The half-the-speed-of-light spin of a giant black hole suggests it grew by digesting another black hole in a galaxy merger. Clara Moskowitz reports 

Journalist Lee Billings Talks about his book Five Billion Years of Solitude: The Search For Life Among the Stars, Part 2 of 2

Journalist Lee Billings Talks about his book Five Billion Years of Solitude: The Search For Life Among the Stars, Part 1 of 2

A trove of 715 planets—all members of multiworld systems—joins the list of Kepler's finds
 

With a new approach that treats the universe as a fluid, cosmologists plan to tease out the fine details of the big bang from its behavior and evolution

For the first time, an X PRIZE is offering award money to participants during a competition

A disagreement between observations of galaxy clusters and the cosmic background radiation could be explained by the existence of a fourth type of neutrino
 

Scientific American technology editor Seth Fletcher talks about the recent Consumer Electronics Show and astronomy editor Clara Moskowitz discusses last month's American Astronomical Society conference