Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a ...

Because the Moon is over a quarter the diameter of Earth, the Earth-Moon system is often cited as the pairing in our Solar ...

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

Skywatchers on Thursday evening, Feb. 6, will notice an eye-catching pairing-off between two of the brightest objects in the ...

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

Titan is the only moon in our solar system with a significant atmosphere. Now we have a very good idea of how this dense ...

NASA officials said what Juno spotted was 'the most powerful volcanic event ever recorded on the most volcanic world in our ...

Even though humans have pondered the moon since the first of us looked skyward, there is still much we don't know about it.

An asteroid that orbited near Earth for a few months as a mini-moon may be a chunk of the moon that was blasted off by an ...

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

offering insights that could reshape our understanding of the Earth-Moon system and the broader solar system. The ... Dec. 18, 2024 — Scientists recently led a team that found, for the first ...