Since Pluto was relegated to dwarf planet status, almost everyone has agreed that there are eight planets in our solar system ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

The Copernican Principle, named in honor of Nicolaus Copernicus (who proposed the heliocentric model of the Universe), states ...

Space scientists look back on three decades of exoplanet discoveries—from rows of massive ‘super-Earths‘ to worlds with ...

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of the universe beyond our solar system. Michel Mayor ...

The number of confirmed planets outside of our solar system—known as exoplanets—has risen to 6,000, NASA has said. There is huge variety across these distant worlds, the space agency says, with ...

Astronomers around the world have confirmed over 6,000 exoplanets, a milestone reached in September 2025. Billions more are ...

Pluto is a bit of a loner. The dwarf planet is no longer considered a regular planet; it does not orbit on the same plane as the solar system's eight planets; and its orbit is both highly elliptical ...

GREEN BAY, Wis. (WBAY) - You’ve probably heard that addictions like alcoholism can be hereditary, but you probably didn’t realize how far back that goes. Researchers discovered wild chimps in Africa ...

Astronomers have been fascinated after spotting an object earlier this year that came from interstellar space as is now hurtling through our inner solar system. Regardless, it’s an interesting visitor ...