Astronomers photographed a baby planet, WISPIT 2b, during its formation process within a dusty ring around its star system.

Astronomers discovered a new moon of Uranus and hundreds of moons around Saturn over the past year, and there may be many ...

For many, space travel is unrealistic – spaceships are expensive, and interplanetary exploration doesn’t fit in with a 9-to-5 schedule. But soon, Durangoans dreaming of voyaging through the solar ...

Our solar system and galaxy were the first objects of study for what was going on in the universe. Among the various celestial bodies, we count Neptune, a gaseous planet less well known than others, ...

Astronomers have discovered a distant dwarf planet orbiting beyond Neptune — a frozen world so far from the Sun that it challenges everything we know about how the solar system formed. Clay Higgins ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system? When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

LONDON — The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper's authors have ...

Our solar system is a smashing success. A new study suggests that from its earliest period — even before the last of its nebular gas had been consumed — Earth’s solar system and its planets looked ...

Astronomers have discovered 2017 OF21, a distant dwarf planet candidate located about 90 times farther from the Sun than Earth, making it more than twice as far as Pluto. With a highly elongated orbit ...

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 ...