Astrophysics

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  

 

A research team has shed more light on how Luke Skywalker's home planet of Tatooine could orbit two stars, which are themselves bound together in an orbital dance

Exoplanet Kepler 413 b's tilt can vary by as much as 30 degrees over 11 years, leading to extremely erratic seasons. Clara Moskowitz reports 

 

The notion of an "event horizon," from which nothing can escape, is incompatible with quantum theory, Hawking says

The sun's closest stellar neighbor will soon reveal its mass—and possibly its planets—when it passes in front of a distant star

A Saturn-size star just 40 light-years away will outlive nearly all of its peers

Astronomers have measured a distance scale in the universe to unprecedented accuracy, opening the door to better tests of dark energy models than ever before

Astronomers have spotted their best candidate ever for a Thorne-Zytkow object, a hybrid star proposed almost 40 years ago