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

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

"We are the first mission to be able to track space weather events in three dimensions routinely across the solar system." ...

Dec. 19, 2024 — New studies offer a clearer picture of how the outer solar system formed and evolved ... first attempts at interplanetary ... Dec. 9, 2024 — Dust storms on Mars could one ...

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

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.