Does our Solar System have 9 planets or only 8? Astronomers have gone back and forth on that a lot, with Pluto now being classified as a dwarf planet. However, out beyond Neptune there could be ...

The OSIRIS-REx mission returned to the sample to Earth in September of 2023, and these studies show that it contains amino ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

Beyond Neptune lies the Kuiper Belt, a vast expanse of icy bodies that may hold clues to the solar system’s formation. These ...

"We are the first mission to be able to track space weather events in three dimensions routinely across the solar system." ...

Our Solar System is a carefully balanced celestial dance held together by a virtually perfect balance of gravity and inertia.

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

New research shows that star activity can distort exoplanet measurements, affecting size, temperature, and atmosphere ...

The organic ingredients to life, hints to where Earth’s water came from, and the fundamental building blocks of our planet ...

In this episode, Dave Eicher invites you to go out and spot the elusive zodiacal light. Caused by light reflecting and scattering off dust in the plane of our solar system, one of the best times to ...

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...