"What surprised us, at the end, was how effective this type of impact could be in explaining Mercury's unusual structure without needing to consider multiple collisions or extremely rare conditions." ...

NASA researchers suggest a surprising discovery on planet Mercury: a diamond layer approximately 10 miles thick, adding to ...

Mercury, the smallest and innermost planet in our solar system, has a number of unusual characteristics that have long puzzled scientists. Despite being only slightly larger than Earth's moon ...

Venus is the hottest planet in the solar system due to its thick carbon dioxide atmosphere, trapping heat as part of a ...

Late next year, the joint JAXA/ESA BepiColombo mission will enter orbit around Mercury, as part of its 18-month nominal mission. Tacking the winds that ply the solar system may yet have its day ...

How can we successfully collect and return samples from Mercury and Venus to Earth? This is what a recent study presented at ...

(For comparison, Mercury — the planet closest to the sun in our solar system — completes its orbit in 88 days and is so hot that it also lacks a substantial atmosphere.) "In contrast ...

NEW YORK (AP) — A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday ...

At that time, the spacecraft was closer to the star than the solar system's innermost planet Mercury. | Credit: ESA The sun ...

Saturn is practically a solar system unto itself ... Cornell University This image of a crescent Mercury was taken by the MESSENGER spacecraft. Right click to download a larger version of this ...