Planets orbit their parent stars while separated by enormous distances – in our solar system, planets are like grains of sand in a region the size of a football field. The time that planets take to ...

Get ready, skywatchers — another astronomical event will take place on June 3. A planetary alignment, or a "planet parade" in casual language, will happen Monday, according to StarWalk.space, a ...

In the distant future—about six billion or seven billion years hence—the sun will start to die, swelling up into a bloated red giant. In a span of several hundred million years it will blow away its ...