Outer Space/Universe

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Astronaut Buzz Aldrin salutes United States Flag while standing on the moon
Fly Me to the Moon
Copernicus
Copernicus, Galileo, and the Catholic Church
Neil Armstrong stands by the Lunar Module "Eagle" during the first walk on the moon in 1969.
Fly Me to the Moon
An artistic rendering of the observable universe by Pablo Carlos Budassi. It depicts the Solar System at the center, surrounded by other celestial bodies and galaxies, and cosmic microwave radiation and plasma left over from the Big Bang at the outer edge.
Top Ten Origins: The Universe’s Greatest Hits
An artist's rendering of the Tunguska event
The 1908 Tunguska Event and the Threats of Tomorrow
The Biosphere 2 complex is an earth system science research facility near Tucson, AZ.
Colonizing Mars: Practicing Other Worlds on Earth
The Mars explorer Curiosity's view back at its own tracks after crossing a sand dune in 2014.
Mariner 9: Opening The Martian Frontier
William Shatner as Captain Kirk and Leonard Nimoy as Mr. Spock pose behind a model of the starship Enterprise.
Star Trek
Portrait of Galileo Galilei by Justus Sustermans
400 Years Ago the Catholic Church Prohibited Copernicanism
Sputnik
Soviets Launch Sputnik, 1957
Cover of Space Travel, November 1958
Gingrich and Romney: Right and Wrong on Space Travel
Gemini 4 astronaut Ed White in open space, 1965.
Human Spaceflight Began Fifty Years Ago This Month, But Not Much Has Happened Lately
STS-116 mission specialists, NASA astronaut Robert Curbeam and ESA astronaut Christer Fuglesang perform extravehicular activity (EVA) during construction of the International Space Station.
Facing Opportunities and Obstacles in Space
Demolition of the former Penn Station concourse raised public awareness about preservation.
Choking Off Our Past
Artistic rendition of Space Station Freedom with the STS Orbiter Vehicle
No Cheap Ticket to Outer Space
The NASA Space Shuttle Challenger launching in 1983.
Mars: A Planet Too Far?
Chinese EVA spacesuit "Feitian".
China’s Manned Space Program: an Opportunity for Cooperation
Space Shuttle Columbia launching
Can We Boldly Go There Any More?
A vision for the future of the US Space Command for 2020: a space-based high-energy laser destroys a terrestrial target.
Rumsfeld May Spark Space Weapons Debate
Neil Armstrong and Buzz Aldrin walking on the moon in 1969 with the American flag behind them.
Thirty Years since Apollo 11