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 ...

Though 2025 won't mark the return of astronauts into deep space as NASA had hoped, launchpads still will be scorching-hot ...

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

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

Stargazers will be treated to a dazzling six-planet "alignment" this January.

The Grand Canyon in Arizona is one of Earth's natural wonders, carved out over millions of years by the gradual erosion power ...

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

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

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 ...