Buzz Aldrin set foot on the moon, and his new book encourages kids to take the first steps onto Mars. In "Welcome to Mars: Making a Home on the Red Planet" (National Geographic Children's Books, 2015), astronaut Buzz Aldrin invites kids to set a course for...
The dark, fingerlike features that creep down steep Martian slopes in warm weather continue to puzzle scientists. These "recurring slope lineae" (RSL), which have been spotted by NASA's Mars Reconnaissance Orbiter (MRO) at low and middle latitudes on the Red Planet, fade during cooler months but...
Most want to emplace supplies and equipment on Mars in advance, converting the atmosphere into propellant, air and water before humans arrive. Some want propellant depots in space on this end using lunar - or asteroid - derived materials. Some want massive rockets hurling astronauts from...
Buzz Aldrin sees the inevitable need of international cooperation when it comes to space travel. The second man to set foot on the moon, called on Monday, Sept. 21, for joint efforts to develop future moon and Mars missions. He is convinced that the U.S....
