What is the actual speed and direction of our solar system as it moves through the cosmos, and how does this compare to ...

The solar system is moving through space over three times as fast as estimated, calling into question our best model of the ...

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

In the late 1990s, two rival teams of astronomers discovered that the universe was expanding faster and faster. It was a ...

The Big Bang theory has dominated our understanding of the universe’s origin for almost 100 years. It describes a moment when all of space, time, and energy were born from a single infinitely dense ...

Precise measurements from multiple radio telescopes strongly suggest that our solar system is moving far too fast for our ...

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

The scientific study of cosmology, the field that focuses on the origins and evolution of the universe, is barely a century old. It has already been transformed more than once by new ideas, new ...

Astronomers have assumed for decades that the Universe is expanding at the same rate in all directions. A new study based on data from ESA’s XMM-Newton, NASA’s Chandra and the German-led ROSAT X-ray ...