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

Each planet in the solar system is characterized as different cricket team players, with unique behaviors and skills. Earth ...

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

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

The James Webb Space Telescope has captured a belching protostar in its infancy. By studying the dust grains whirling around ...

NASAs Perseverance rover has collected a historic rock sample dating back to the Noachian era on Mars. This discovery could provide insights into the formation of planets over 4.1 billion years ago ...

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 ...

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, ...

These embryos, somewhere between small planetesimals and fully formed planets, were abundant during the solar system's formative stages and played a critical role in planetary formation.

It is not often that all the planets in the Solar System other than ours are lined up across the night sky for us to see.

Astronomers may have discovered the fastest-moving planet system ever found, moving through our galaxy at speeds of at least ...

Four planets will be widely visible to the naked eye through part of February, but calling them a 'planetary alignment' may ...