Spotting one or two of the planets in our solar system is well worth a good skywatch, but seeing (almost) all of them in a ...

As New Year’s Day fades, a young moon hangs in the southwest near Venus and Mars. And as the sun sets on the last day of ...

Scientists measured a chorus wave emerging from an unexpected place, and confirmed a key piece of a theory about how these ...

To see the whole shebang, you’ll need a pretty unobstructed view of the horizon in an area with relatively little light ...

Here’s what you should know when you go outside to see for yourself: Yes, the planets are indeed lined up across our sky. No, ...

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

Just as Sun, Moon, Mercury, Venus and Mars move through the signs of the zodiac as they orbit, so do the outer planets.

But of these planets, which is nearest to the sun? Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, ...

During late January and into February, six planets are moving in their orbits into our southern sky, visible each evening.

A team of astronomers have discovered a rather curious exoplanetary system that has two gas giant planets that are messing up each other’s orbit! On of them is 3.8 times the mass of Jupiter and ...

Scientists studying samples that NASA collected from the asteroid Bennu found a wide assortment of organic molecules that ...

Our solar system, a cosmic ballet of planets held together by gravity and inertia, is uniquely structured compared to many ...