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.

Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant planets, suggests a new study.

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

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

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

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

you’re peering into the vast expanse of our solar system. Each planet orbits the Sun at vastly different distances—Mercury sits about 36 million miles, while Neptune is at a stately 2.8 ...

A planet parade is when several of our solar system's planets are visible in the night sky at the same time. There will be six planets visible this time around, including Venus, Mars, Jupiter ...