How fast and in which direction is our solar system moving through the universe? This seemingly simple question is one of the ...

Evidence suggests the universe’s expansion has started to slow, not accelerate. The results imply dark energy is weakening ...

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

In 1949, famed mathematician and physicist John von Neumann delivered a series of addresses at the University of Illinois, ...

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

Evidence now suggests the universe’s expansion has started to slow, not speed up. The findings imply dark energy is weakening ...

Astronomers may have misread cosmic acceleration for 27 years. The universe may be slowing down, not speeding up.

There’s a bit of a paradox about our galaxy: it’s both jam-packed with stars and cavernously empty. The Milky Way is crowded in the sense that it holds hundreds of billions of stars, as well as ...

Comet 3I/ATLAS, the third confirmed interstellar visitor, is making its final exit from the solar system — and skywatchers ...