NASA's Mercury-orbiting spacecraft, Messenger, is going out with a bang this week, adding a hefty crater to the little planet closest to the sun. The first spacecraft to circle Mercury, Messenger is ...

A European-Japanese space mission will reach Mercury in 2026, carrying instruments designed to answer a question that has quietly unsettled planetary science for decades: how does a planet like this ...

Mercury will be farthest from the sun on Tuesday (Aug. 19), granting early risers a perfect opportunity to spot the fleet-footed world somewhat separated from the glare of our parent star. Mercury ...

An international team from Kanazawa University (Japan), Tohoku University (Japan), LPP (France), and partners has ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Those were the words Alan Shepard used 60 years ago Wednesday to note his cockpit timepiece had begun running. This meant his Redstone rocket booster had left the ground sending him and his one-man ...