But, in fact, it’s actually really difficult to reach the innermost planet of our solar system—which makes it that much more impressive that the ESA and JAXA’s BepiColombo mission has almost reached ...

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 ...

Turns out, it's as tough to drop inward into the inner solar system, as it is to head outward. The problem stems from losing momentum from a launch starting point on Earth. It can take missions ...

A seven-year, eight-million-kilometer voyage expected to shed light on the mysteries of Mercury, the solar system's least-understood planet, is nearly ready for takeoff. The ambitious BepiColombo ...

Despite being relatively close to us, planet Mercury is one of the least studied places in this solar system. At first, our species ignored it because the conditions there, so close to the Sun, are ...

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 ...