Look west and see the sun set. Look east, the full moon rises. Seeing this phenomenon is impressive, but not unique, according to the Journal's astronomy expert, Kevin McKeown. In April, September, ...

Remember, the ecliptic is the path that the sun is taking. So that's basically tracing out the plane of the solar system. And then all of this is a backdrop, and all the constellations are much ...

The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

For a few evenings around 28 February, every planet in the solar system will be visible in the night sky, thanks to a rare great planetary alignment. Here's how to make sure you don't miss this ...

As humans, we’re curious about how we got here. When we look out at the night sky, we see stars and planets, even galaxies.

Stargazers in parts of the U.S. have a fleeting opportunity this month to catch a rare celestial phenomena—a "parade" of seven planets—for the last time until the year 2036.

“Early risers, from 6am on Friday, March 14, will see the full moon turn red as it sets in the western horizon,” says ...

That path is called the ecliptic, and it exists because all ... Sometimes, it worked. The movement of constellations, for example, heralds the change of seasons, and thus can be used as an ...

This path, known as the ecliptic, is the same one that the sun travels along during the year. This happens because the planets orbit around the sun in the same plane. Dr. van Belle likened the ...

Did you miss the last planetary alignment in January? Well, you're in luck. The next one is on Feb. 28 and is viewable from Delaware.