For decades, Mercury was thought to be a simple, burned-out planet close to the Sun. NASA’s MESSENGER mission completely overturned that view, revealing unexpected chemistry, strange surface features, ...

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 ...

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 ...

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

For just three days, visitors will be able to relive the thrilling dawn of the space age, stepping into the era when humanity first dared to leave Earth behind.

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

Part 2 explores the dramatically different approaches to the launch systems, and the surprising similarities in the factors that contributed to their success. Although they served very different ...