Many of us learned about the order of the planets in our Solar System through some mnemonic device. We were also taught to think that the Solar System is a fixed thing, but our grade school ...

The study may help predict dangerous solar storms and protect satellites and power grids.

Using the James Webb Space Telescope (JWST), scientists analyzed far-away bodies -- known as Trans-Neptunian Objects (TNOs) -- and found varying traces of methanol. The discoveries are helping them ...

The Voyager spacecraft, on a decades-long journey of exploration, have made an unusual discovery at the edge of our solar system. They’ve detected a layer of hot plasma at the solar system’s boundary, ...

Add Yahoo as a preferred source to see more of our stories on Google. The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

A large asteroid-comet hybrid that orbits between Neptune and Jupiter is an intriguing oddball as far as cosmic rocks go. Chiron, as the strange centaur is called, is what astronomers call a minor ...

Scientists have seemingly settled long-standing arguments about whether the components of Earth originated from the inner or ...

The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the Milky Way," a show at New York City's Hayden Planetarium that spawned ...