This is a timeline of space exploration which includes notable missions, achievements, first accomplishments and milestones in humanity's exploration of outer space.

Feb 16, 2026 · A total of 12 Americans on six separate Apollo missions set foot on the Moon between July 1969 and December 1972. Since then, no humans have left Earth orbit, but more than 500 men …

Humanity's first reusable spacecraft, the space shuttle carried people into orbit repeatedly; launched, recovered and repaired satellites; conducted cutting-edge research; and built the largest structure in …

During the time that has passed since the launching of the first artificial satellite in 1957, astronauts have traveled to the moon, probes have explored the solar system, and instruments in space have …

Humans have always looked up into the night sky and dreamed about space. In the latter half of the 20th century, rockets were developed that were powerful enough to overcome the force of gravity to reach …

Jan 28, 1986 · Space exploration remains one of the greatest technological advances in human history. Learn about the Apollo missions, the Space Shuttles Columbia and Challenger, Neil Armstrong and …

Apr 6, 2025 · The timeline of space exploration history outlines key milestones from early WWII missile tests to landmark missions like Sputnik, Apollo 11, and the International Space Station, serving as a …

A Timeline of the Exploration and Peaceful Use of Outer Space From the very beginning of the Space Age, the United Nations recognized that outer space added a new dimension to humanity's existence.

While the observation of objects in space, known as astronomy, predates reliable recorded history, it was the development of large and relatively efficient rockets during the mid-twentieth century that …

Space stations are unique spacecraft intended to support human activity in one location in space. During this time, cosmonaut Valeri Polyakov set the record for longest human spaceflight.