There are eight official planets (sorry, Pluto) in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and ...

A few decades ago, the Solar System had nine planets, but in 2006 the International Astronomical Union reclassified Pluto as ...

A spacecraft has beamed back some of the best close-up photos ever of Mercury’s north pole. The European and Japanese robotic ...

19, 2024 — Scientists have unveiled groundbreaking research on the origins of lunar water, offering insights that could reshape our understanding of the Earth-Moon system and the broader solar ...

Astronomers believe that our solar system may still hold surprises, with ongoing efforts to find a hidden ninth planet, often referred to as Planet Nine or Planet X. If confirmed, this discovery ...

The Lunar Environment Heliospheric X-ray Imager (LEXI) — an instrument that can detect X-rays bouncing off Earth's ...

As Earth completes yet another full orbit around the Sun, an encroaching storm is expected to bathe the planet in a glorious ...

NASA's Director of Planetary Science, Jim Green, discusses the Jan. 20 2016 Astronomical Journal science paper that points to ...

Some stargazers are calling it a planetary parade: Every other planet in our solar system can be seen in the sky tonight.

The innermost Earth-like planet in the famous TRAPPIST-1 system might be capable of supporting a thick atmosphere after all, ...

The spacecraft first flew over the planet's cold and dark night side before transitioning to the sunlit northern regions.