The latest member of the caled as 2025 PN7, a newly discovered asteroid that could expand Earth's 'moon family' to eight.

(CNN) — Astronomers have discovered three previously unknown moons around Uranus and Neptune, the most distant planets in our solar system. The find includes one moon spotted orbiting Uranus — the ...

In a few billion years, our Sun will become so violently hot that it could wipe out all life in the Milky Way. Yet, ...

The striking thing about this is that repeating the procedure on the star turned up no evidence of carbon-based chemicals, ...

We often contemplate life on alien planets, but might giant moons orbiting distant immense worlds be a better candidate for where extraterrestrial life might be found?

What is the difference between a moon and a planet? Trick question! According to scientific definitions, there often isn’t much of a difference at all. That might seem counterintuitive, but it’s true.

The Adirondack Sky Center & Observatory is thrilled to be your guide to the skies. In this column, I’ll be clarifying some of ...

On Earth, you can look up at night and see the Moon shining bright from hundreds of thousands of miles away. But if you went to Venus, that wouldn't be the case. Not every planet has a moon — so why ...

Searches for exomoons should target smaller rocky exoplanets, according to simulations of how Earth's moon formed. When you purchase through links on our site, we may earn an affiliate commission.

We argue that taxonomical concept development is vital for planetary science as in all branches of science, but its importance has been obscured by unique historical developments. The literature shows ...

(CNN) — Astronomers have discovered three previously unknown moons around Uranus and Neptune, the most distant planets in our solar system. (CNN) — Astronomers have discovered three previously unknown ...