But how fast? Why is this happening? And what will be the universe’s ultimate fate? These are big, literally cosmic questions, and astronomers continue to struggle to nail down the answers.

"Understanding these cosmic rays allows us to unveil big particle accelerators in the universe that are often associated with the most violent phenomena." After over a decade of meticulous data ...

At the very largest scales, our universe resembles a spider web. Known appropriately as the cosmic web, it is the largest pattern found in nature. Within the cosmic web, there are small ...

But when we peer into the infinite blackness that defines the expanse of our universe, we are offered a choice. We can recoil in fear and disregard our humanity in the face of sheer cosmic dread.

GENEVA, Switzerland — For over two decades, astronomers have been puzzled by the mysterious “dark energy” driving the ever-quickening expansion of our universe. Now, a team of scientists may have ...

One thing that can be said about the now-50-year-old “NOVA”: It has never been very funny. But the science program’s introduction to “Decoding the Universe: Quantum” is certainly amusing.

Astronomers have long believed that dark energy, a mysterious force causing the universe to expand at an accelerating rate, should be preventing matter from clumping together on large scales. However, ...

Funny Santa Claus Pictures : Christmas is a jolly holiday season and we do love Father Christmas who is known as Santa Claus. Santa claus is known to ride his reindeer sledge and bring gifts to kids ...