They’re not a perfect match, but it’s way too hot on the first planet for us to hop over and confirm for ourselves.

Scientists may have solved alongstanding mystery in the study of Mercury. For the first time, pieces of the Solar System’s ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

As the closest planet to the Sun, Mercury is exposed to the star's enormous gravitational field. And it's really stressful.

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System -- only the third ...

As the planet closest to the Sun, Mercury has it rough. Not only is it the smallest planet in our solar system, but Mercury's ...

Passing stars could trigger instability across the solar system, resulting in Earth being hauled out of its orbit.

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

Mercury is a mystery. It’s the smallest planet in our solar system, the closest to the Sun, and one of the most extreme. Its ...

According to US space agency NASA, the interloper - named 3I/ATLAS - was first spotted on Tuesday by an Asteroid ...

NASA also points out that July and August is an excellent chance to view the constellation Aquila, also known as the eagle as ...

For folks in the United States, July evenings mean 4th of July fireworks. While you're waiting for the show, be sure to watch ...