Isaac Newton changed the way we understand the Universe. Revered in his own lifetime, he discovered the laws of ... the foundations for our scientific age. His laws of motion and theory of gravity ...

The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes ...

There are no tape-measures in space, but by the early 20th century Henrietta Swan Leavitt had discovered that the ... giving the universe an age of 13.8 billion years. This required establishing ...

The Hubble constant is one of the most important numbers in cosmology because it tells us how fast the universe is expanding, which can be used to determine the age of the universe and its history. It ...

These galaxies were spotted when the universe was a mere 500 to 700 million years old, a time when it was just 3 percent of its current age. At that point, the universe was still in its infancy ...

On March 15, 2024, a space-based observatory detected bursts of low-energy X-rays from deep in the ancient universe, ...

Space exploration also helps us understand the building blocks of the universe by studying cosmic phenomena like black holes, ...