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 ...

The smallest planet in our Solar System may be hiding a big secret. Curious bright streaks on Mercury's surface, doodled on ...

On January 31, 1961, a chimpanzee named Ham became the first hominid to travel into space, marking a critical milestone in ...

2026 is set to deliver historic moon missions, groundbreaking commercial space stations and powerful new space telescopes. When you purchase through links on our site, we may earn an affiliate ...

Although Mercury was geologically active in its early days, today its surface appears almost completely static. This is why ...

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 ...

Although NASA’s Project Mercury and SpaceShipOne served very different objectives, a closer look reveals that both missions were powered by equal parts of competition, innovation, and a strong dose of ...

Learn about the bright streaks that may represent recent geological activity on Mercury, which has been considered a dead ...