Mars, our neighboring red planet, possesses some of the most dazzling and extreme geological features within our solar system ...

New simulations reveal that around 1 million "macroscopic" objects from our closest stellar neighbors, the Alpha Centauri ...

The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.

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

On February 28, 2025, a rare planetary parade will occur, with all seven solar system planets aligned on one side of the Sun.

Onward and outward, Jupiter rides high to the south in Taurus the Bull at dusk. The waxing near First Quarter Moon meets ...

Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – here’s how to spot the celestial show ...

"Our Sun (Sol) is marked by a black hexagon, and its orbital path is indicated by a grey solid line (top row only). Alpha ...

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The year 2025 has already been a spectacular time for stargazers and skywatchers. Last month, Venus, Mars, Jupiter, Saturn, ...

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.