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 ...

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

Canadian astronomers have taken an extraordinary step in understanding how planets are born, using the James Webb Space ...

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

THE search for alien life across our Solar System and beyond has so far kicked up nothing intelligent – let alone microbial.

February will be an awe-inspiring month for astronomy enthusiasts who will be able to the see the solar system's planets ...

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

Starting up again Saturday, a sweeping view of our solar system will glow in the night sky. The planetary alignment, or a ...

Each planet in our solar system is given a unique, humorous catchphrase that reflects its personality and role. From ...

"The climate of this planet is extreme and nothing like that of Earth. The planet's dayside is so hot that elements typically ...