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

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

The organic material found in a few areas on the surface of dwarf planet Ceres is probably of exogenic origin. Impacting ...

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...

The dwarf planet is a bizarre, cryovolcanic world. However, the organic deposits discovered on its surface so far are unlikely to originate from its interior. The organic material found in a few areas ...

Stargazers can witness a rare 'planet parade' in January and February 2024, where six planets align prominently in the night ...

The building blocks of life could have been delivered to Ceres by one or more space rocks from the outer asteroid belt.

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

But of these planets, which is nearest to the sun? Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, ...

The eight major planets of our Solar System orbit the Sun in the same flat plane ... these are photons that have travelled ...