Korean scientists studying Type Ia supernovae have found strong evidence that the universe's expansion is not accelerating, ...

The universe's expansion may actually have started to slow rather than accelerating at an ever-increasing rate as previously ...

As if dark energy weren't already mysterious and baffling enough, new research suggests that this unknown force may not be ...

Three young stars have been kicked out of their cosmic nursery, perhaps for engaging in a gravitational brawl, according to Hubble Space Telescope scientists, who released images of the trio on ...

The expansion of the universe is already confusing and controversial, with researchers unclear exactly how fast it is going and why it is doing so. The dispute over the expansion has only become more ...

Alarm is growing among federal workers at NASA’s iconic Goddard Space Flight Center’s main campus in Greenbelt, Maryland—the ...