Skygazers, mark your calendars because one of the coolest celestial events is coming around again toward the end of February.

We have all been taught in school that planets revolve in the same direction as the Earth, i.e., in the counterclockwise ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. Are planets in the solar system that are closer ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

The solar system may have a ninth planet after all. This one is 5,000 times bigger than outcast Pluto and billions of miles farther away, say scientists who presented "good evidence" for a ...

New research suggests that essential components of life may assemble in interstellar space long before planets or oceans ...

When my colleagues and I send them out to explore our solar system, it's important for us to understand the 3D map of our ...

Astonishingly, we can identify molecules present in the atmospheres of exoplanets.

With a lot of talk about space recently, have you ever wondered which are the hottest planets in the solar system? You'd think the closer you are to the sun, the hotter they must be. Now that's mostly ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

This article was originally featured on The Conversation. Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of ...