The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Look up in Michigan's night sky later this month to catch a rare seven-planet parade. The planets will appear to line up in the sky as they orbit the sun, known as a planetary alignment or planet ...

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

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

Stargazers will be treated to a dazzling six- and seven-planet "alignments" in February. A planetary alignment, or a "planet ...

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 ...

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

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

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

People will be able to see a rare sight at the end of this month when all seven other planets in our solar system line up in the night sky. For the last few weeks six of the planets have been ...

15, 2025 — New observational data and simulation models have confirmed a new type of planet ... in the Solar System. This provides another piece of the puzzle to understand how planets and ...