Two planets stand side by side as the evening twilight continues to delight and colorful stars shine in the sky this week.

Objects that could strike the planet will be spotted more regularly as new asteroid-hunting telescopes come online.

YR4 has grabbed headlines lately, after NASA calculated a 1-in-32 chance of an impact in 2032 – the highest chance ever for ...

Japanese researchers have discovered salt minerals on the asteroid Ryugu, suggesting that liquid water may have once been ...

Deposits Found on a Nearby Asteroid Point to Salty Water in the Outer Solar System Scientists have uncovered salt minerals in ...

Ahead of its dance with Saturn on Feb. 24, Mercury should be seen on Feb. 19 at magnitude -1.2 with binoculars 20 minutes ...

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

Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision. But their proximity also offers ample opportunities to learn more about the ...

Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.