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

Is the universe flat and infinite, or something more complex? We can’t say for sure, but a new search strategy is mapping out ...

But try to point to the center of Earth's surface, like on a map. It could be at 0-0 latitude and longitude; it could be at the poles; it could be at your grandma's house. Any point is just as ...

Copernicus, going against the current belief that the Earth was stationary and at the center of the universe, hypothesized a Sun-centered (heliocentric) universe with a moveable Earth. Further ...

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

Galaxies are the building blocks of the universe. Clusters of galaxies ... Just as we have found that Earth is not the center of the solar system, and the Sun is just another star in the Milky ...

Astronomers have identified a quasar that may help explain how the universe’s “dark ages” finally ended. Astronomers have ...

Thirty years after the discovery of the first exoplanet, we detected more than 7000 of them in our Galaxy. But there are still billions more to be discovered! At the same time, exoplanetologists have ...

Worlds with liquid water could have formed just 200 million years after the big bang from the remains of the earliest ...

In a distant part of the universe, where astronomy uncovers the mysteries of creation, an extraordinary discovery has been ...

Quasars are among the oldest, brightest objects in the universe. Formed from active galactic nuclei (AGN) — areas at the center of galaxies where a black ... the four months on Earth corresponded to ...