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

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 ...

The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing ...

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

A rare discovery beyond Neptune is forcing scientists to rethink early solar system dynamics and the forces that shaped ...

SEATTLE — While the winter and early parts of spring are not ideal times to see the sky in the Pacific Northwest, western Washington residents have an abundance of astronomical events to keep an eye ...

The planet is experiencing the most powerful solar event since 2003—and it's bringing spectacular Northern Lights.

Starting Jan. 21, Canadians can see a rare celestial event as six planets line up in the evening sky, mostly visible to the ...

A rare triple conjunction of Venus, Mars and Mercury is happening on the opposite side of the solar system to where Earth is, ...