A U.S. spacecraft beamed hundreds of photos of Mercury back to Earth on Tuesday after a close encounter with the planet closest to the sun. The images show scientists never-before-seen landscapes on ...

A complex mission to Mercury that began its epic space voyage six years ago has encountered critical thrust problems that controllers say could imperil plans to study the closest planet to the sun.

The MESSENGER spacecraft was proposed in 1998 and launched in 2004, but didn't enter Mercury orbit until 2011. Therefore, what are the next steps for developing future missions to return samples ...

But the Venera mission, which launched from Kazakhstan on March 31, 1972, failed long before the Soviets could attempt to ...

However, Deke Slayton was dropped due to a heart problem, although he continued to contribute to the space program until 1975, when he finally flew on the Apollo-Soyuz mission. The Mercury capsule ...

34,906 people played the daily Crossword recently. Can you solve it faster than others?34,906 people played the daily Crossword recently. Can you solve it faster than others?

61 years ago, humanity reached space for the second time with NASA 's Project Mercury. On the morning of May 5, 1961, naval aviator and test pilot Alan B. Shepard Jr. hopped onto the Freedom ...