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

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

Mercury doesn't give up its secrets easily. The smallest planet in our solar system is also one of the most extreme—a ...

The nights surrounding June 7 will see Jupiter and Mercury crowd together close to the horizon in the northwestern sky.

In the latest shutdown, the cosmic ray subsystem experiment on Voyager 1 and Voyager 2’s low-energy charged particle ...

How Many Planets Are There in the Solar System? There are 8 planets in our solar system. The planets orbit the Sun in ...

How big it is: 865,000 miles (1.392 million kilometers) across How far away it is: 93 million miles (150 million km) What ...

Faculty and alumni from across six decades reflected on Brown University’s impact as an international hub for solar system ...

Mercury, the smallest planet in our solar system and the one closest to the Sun, has long baffled scientists with its twisted ...

Researchers in the US have suggested there is a 40 percent chance a ninth planet could exist in our solar system. Planet Nine ...

A landowner in Louisa County is tangled up in disputes over how her land should be developed, reflecting an ongoing debate ...

During the red giant phase, both the Sun and Jupiter will shine brighter and become hotter. However, its moon Europa is ...