A recent study indicates a small chance that Earth could be ejected from our solar system due to passing stars. Simulations ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

The White House bid to terminate NASA’s fantastical flights of exploration “across the solar system” threatens to explode ...

For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar ...

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

OF201, the object belongs to the same all-star family as Pluto: dwarf planets. Its diameter, roughly 435 miles (700 km), is ...

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

Wide-orbit planets are fairly common according to the study, and there's a good chance we have one of our own.

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

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

When the Sun expands into a red giant, it will swallow the inner solar system and raise the temperature in the outer regions.

The orange dwarf Gliese 710 is expected to come within 0.1663 light-years or 10,520 astronomical units in about 1.29 million ...