In the past, people thought the Earth was the center of the universe and everything revolved around it. This was a fairly ...

Many ancient Greek scientists believed that Earth was literally at the center of the universe, and the stars and other celestial bodies rotated around it, although a model with Earth orbiting the ...

The Long View (2013): The true—and vast—complexity of the universe was captured in this vista recorded by a pair of automated telescopes, one in the U.S. and one in the Chilean desert.

Earth at the center, and everything revolving around us. Now, if that were true, ... And they had noticed that Ptolemy's geocentric model of the universe, it wasn't matching the math.

The Maya believed in a stable universe with the Earth at the center. In the skies, they saw a heaven with 13 layers that encompassed the sun, moon and stars, Launius writes in the book. Each layer ...

Earth—our tiny blue dot in the galaxy—is approximately 26,000 light years away from a fascinating and active region of the Milky Way called the Central Molecular Zone (CMZ). This region holds ...

Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New findings risk turning the tension into a crisis, scientists say.

A new model proposes that the Big Bang was not the universe's beginning but resulted from a gravitational collapse forming a massive black hole, followed by a quantum-mechanically driven bounce.

‘Shocking’ results from a major astronomical study have raised doubts about the standard model of cosmology, forcing scientists to consider new ways of understanding dark energy and gravity ...

Lieu's improved model doesn't rely on exotic phenomena like "negative mass" or "negative density" to work. The theory offers instead the notion that the universe is expanding due to a series of ...