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

NASA has shared details of what to look out for in the night sky this month, with the moon appearing alongside a parade of ...

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

We've got you covered with our guide to the best telescopes for seeing planets. Now's a great time to invest in such a scope, too. Mars and Jupiter appear close to the moon this February 7 and 9 ...

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 impact thousands of years ago.

15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything ... of the Earth-Moon system and the broader solar system. The ...

"This is the most powerful volcanic event ever recorded on the most volcanic world in our solar system — so that's really ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a host of other puzzles connected to the solar system's deep past ...

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

NASA’s Juno spacecraft has uncovered an immense volcanic hot spot on Jupiter’s moon Io, surpassing any previously recorded ...