Happy New Year and happy perihelion day! Earth is closest to the sun today at just 91,406,000 miles (1.55 million miles ...

January's sky brings a planet parade, Mars opposition, and the Quadrantid meteor shower. Enjoy Venus and Saturn's close ...

A large metallic ring from space crash-landed in Kenya on New Year's Day. Officials want to determine its origins and hold ...

The researchers developed a capture cross-section for the solar system's phase space then calculated how many rogue planets are ... this population of objects. It may even show how they cluster ...

Mars has two moons, Phobos and Deimos. Scientists still debate whether these came from asteroids that passed close into Mars' ...

Planets like Jupiter and Venus reflect bounties of light from the sun — and unlike stars, the vivid planets don't twinkle. These beacons are among the brightest objects in the sky, and December 2024 ...

It was also common at this time for the planets to be visited by celestial objects from outside the system, not unlike the big space rock Oumuamua ... simulations to show that this scenario ...

New research co-led by UB proposes thinking both big and small to confirm their existence, suggesting that their signatures could range from very large — hollow planetoids in space — to minute ...

New research co-led by the University at Buffalo proposes thinking both big and small to confirm their existence, suggesting that their signatures could range from very large — hollow planetoids in ...