Gravity, inertia, and centripetal force keep our solar system in motion. Explore with a series of kid-friendly gravity and force experiments.

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

A study simulated what would happen if a super-Earth orbited in the middle of our solar system, and the results are chaotic.

Celestial mechanics remains crucial in unraveling the mysteries of our inner solar system’s past.

A total solar eclipse will not occur on August 2, 2025, despite viral claims. The real event is on August 2, 2027, featuring ...

So, when comets outgas, they have what planetary scientists call nongravitational acceleration – motion that isn’t caused by the gravity of objects in the solar system.

New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...

The size of the solar system is defined by the volume of space over which the sun’s influence exceeds those of other nearby stars in the Milky Way galaxy.

The long-term stability of the Solar System has been the subject of scientific investigation for centuries.

Wandering stars pass through our solar system surprisingly often Our sun has had close encounters with other stars in the past, and it’s due for a dangerously close one in the not-so-distant future.

A group of astronomers from the US, Europe, Chile and South Africa have determined that 70,000 years ago a recently discovered dim star is likely to have passed through the solar system’s ...