How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

The moon and Saturn will be visible to the naked eye that morning, but skywatchers will need a telescope to see the “far ...

A meteor shower, a planet sighting, and a full moon. Here's how to see all of space's eye-catching activity in July.

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

How did Earth, alone among the Solar System's rocky planets, become the home for life? How, among all this frigid ...

Here's how to watch the July full moon, along with appearances from planets and constellations in the night sky.