Today marks the 39th anniversary of the Space Shuttle Challenger disaster (Mission STS-51-L), when the shuttle's seven astronauts were killed by an explosion.

NASA recently paid tribute to the Challenger crew and other fallen astronauts during its annual Day of Remembrance.

Image of Shackleton Crater, a permanently shadowed region near the lunar south pole, shows slevation (left) and shaded relief ...

Astronaut Buzz Aldrin is perfectly centered, his silhouette standing out against the monochrome lunar landscape. The ...

Over the past 50 years, 6 flags have been planted on the lunar surface, and the first one was in 1969. Scientists have been ...

Twelve NASA astronauts walked on the moon between 1969 and 1972, but in the decades since Apollo 11 astronauts first set foot ...

NASA was formed in 1958 "to provide for research into problems of flight within and outside the Earth's atmosphere, and for ...

Did humanity really touch down on the Moon, or is it just the biggest plot twist in space history? Since the Apollo missions, this question has fueled countless conspiracy theories, refusing to be put ...

The Fresh Toast - The race to explore is on so here is our awesome 11 marijuana strains to celebrate space travel.

Tranquility Base, the WMF's page on preserving the Moon reads, is one of over 90 historic landing and impact sites that "mark ...

Apollo flags' condition questioned after decades on the moon Flags on the moon likely degraded from sunlight and meteor impacts Apollo flags remain a powerful symbol despite physical decay ...

CAPE CANAVERAL, Fla. — One of NASA's two stuck astronauts got a much welcomed change of scenery Thursday, stepping out on her first spacewalk since arriving at the International Space Station ...