Shrinking Spot
Jupiter’s Great Red Spot, the largest storm in the solar system, is shrinking. At its peak it was more than…
Second Arrival
The Mariner 7 spacecraft takes aim at Mars in this composite image. The view of Mars itself was compiled from…
Summertime!
Summer arrives in the northern hemisphere of Mars on October 8. It is the longest season on the Red Planet…
A Big Cluster
Messier 11 is one of the biggest star clusters of its type in our region of the galaxy. It contains…
Lunar Outpost
A half-century after the first astronauts walked on the Moon, NASA is working on plans for the next round of…
Shooting the Moon
A laser beam fires from the 107-inch telescope at McDonald Observatory. Its first target was a special reflector left on…
A Priceless Moment
Apollo 11 Lunar Module Pilot Edwin ‘Buzz’ Aldrin salutes the American flag during his two-hour moonwalk. Aldrin and mission commander…
Heading for a Touchdown
Eagle, the Apollo 11 Lunar Module, heads toward the Moon on July 20, 1969. Astronaut Michael Collins snapped the image…
Taking Aim (Part 2)
Apollo 11 lifts off on July 16, 1969, carrying astronauts Neil Armstrong, Edwin ‘Buzz’ Aldrin, and Michael Collins toward the…
Taking Aim
The fragments of Comet Shoemaker-Levy 9 take aim at Jupiter in this artist’s concept. The first of 21 fragments hit…