She said it's less about seeing the planets in a line straight in front of us, like one behind the other, and more on a line ...

For a few evenings around 28 February, every planet in the solar system will be visible in the night sky, thanks to a rare ...

Another plane-sized space rock, known as the "2025 DY5" and measuring about 92 feet across, will zip past our planet this ...

Most of the long-period comets in the Solar System come from the outer Oort Cloud. The inner region is much more stable. It's ...

Don't miss this chance to see all seven of our solar system neighbors in the sky at the same time. The planetary alignment ...

The farthest spacecraft from Earth are shutting off instruments in interstellar space, but their mission in interstellar ...

While most objects in our solar system orbit the same plane, and in the same direction, the orbit of these objects looks like this. Some of them orbit on a slight tilt. Others orbit backwards.

ESA's Solar Orbiter has begun to leave the orbital plane of the solar system and will soon be the first probe ever to look at the poles of the sun. The European Space Agency announced this on ...

Most of the planets are aligned in our night sky right now, providing a treat for skywatchers. Are such "planetary parades" ...