How Many Planets Are There in the Solar System? There are 8 planets in our solar system. The planets orbit the Sun in elliptical trajectories, and they are all different in size, composition, ...

Nearly a century after Pluto’s discovery, astronomers are still hunting for mysterious planets beyond Neptune - including a ...

WASHINGTON -Scientists have identified an object about 700km wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a highly ...

Our solar system has eight planets, four of which move in slightly different elliptical orbits which are tilted compared to ...

Astronomers have spotted a dwarf planet far beyond the orbit of Pluto, a rare find that marks the largest celestial object ever discovered by a Canadian-led team and one that could help to answer key ...

Explore the vastness of the Solar System in this video, which accurately showcases the relative sizes of the planets and ...

Astronomers have revealed that the real center of our solar system isn't the sun. Gravity is playing a part in everything. The barycenter is the center.

Simulations reveal that Jupiter’s rapid growth disrupted the early solar system, creating rings where new planetesimals ...

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...

Astronomers have discovered seeds of rocky planets forming in the gas around the baby sunlike star providing *** peek into the start of our own solar system. The the thing that we've discovered is ...