Some space rocks you can get for free – if you know how to identify them. Rarer materials cost more, and the asteroid sample NASA just brought back has a high price tag.
Earth and Moon as seen by the Galileo spacecraft from a distance of 6 million km away.
NASA
Control experiments are critical in informing the search for alien life.
With NASA planning more missions to space in the future, scientists are studying how to mitigate health hazards that come with space flight.
AP Photo/John Raoux
The launch of a new rocket is always an exciting event. SpaceX’s ‘go fast and fail’ approach means that even though the test ended with engineers blowing up the rocket, it was a valuable first flight.
China has completed construction of the Tiangong space station, and science projects are now underway. The station is an important piece of China’s ambitious plans for space activity in coming years.
Going to space requires more than just rocket science.
John Lamb via Getty Images
Spacecraft are just a small part of what it takes for humans to become an interplanetary species. A political science professor explains how there is much more to creating a spacefaring society.
Douglas Rushkoff’s Survival of the Richest is less about tech billionaires and their ‘bonkers’ escape plans than it is an entertaining primer on the various ills of late capitalism.