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

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

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.

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

The planetary parade in February 2025 will see five bright planets in clear view and a special alignment of Mercury and ...

Astronomers discovered the gas giant planet — dubbed a "hot Jupiter " — in 2016, but have continued to investigate this ...

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

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

If planets had social media accounts, the solar system would showcase a frenzy of unique personalities. Mercury tweets at ...

An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will ...