Inner planets are the four planets closest to the Sun: Mercury, Venus, Earth and Mars. They are collectively characterized by a solid surface and small size relative to the outer gas giants.

Inner planets, like the Sun, Moon, Mercury, Mars and Venus are closer to us and hence have a more frequent, visible influence on our day-to-day activities and experiences. However, the outer ...

An international team led by researchers in Japan and Europe has discovered a new multi-planet system around a sun-like star, ...

Thanks to a new study proves that Earth's inner core since 2010 has been rotating more slowly than usual. This intriguing ...

NASA’s Voyager 2 flyby of Uranus decades ago shaped scientists’ understanding of the planet but also introduced unexplained oddities. A recent data dive has offered answers. In 1986, Voyager 2's flyby ...

An international team of scientists has found a fascinating new planetary system around a star similar to our sun. The system ...

Tiny grains from asteroid Ryugu are revealing clues to the magnetic forces that shaped the far reaches of the solar system over 4.6 billion years ago. The findings suggest the distal solar system ...

We’re showing that, everywhere we look now, there was some sort of magnetic field that was responsible for bringing mass to ...

"That now applies to the outer solar system planets ... and it likely influenced the formation of the inner terrestrial planets. Such estimates of the early magnetic field are based on meteorites ...