In his youth, NASA technologist Les Johnson was riveted by the 1974 novel "The Mote in God's Eye," by Jerry Pournelle and Larry Niven, in which an alien spacecraft propelled by solar sails visits humanity. Today, Johnson ...
Space Exploration
Feb 13, 2024
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11
There are many different ways to get to Mars, but there are always tradeoffs. Chemical propulsion, proven the most popular, can quickly get a spacecraft to the red planet. But they come at a high cost of bringing their fuel, ...
Space Exploration
Jan 12, 2024
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57
Establishing sustained operations at the moon and Mars presents a multitude of opportunities and challenges NASA has yet to encounter. Many of these activities require new technologies and processes to ensure the agency is ...
Space Exploration
Jan 12, 2024
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17
It's a world like no other: a metal-rich asteroid that could be the remnants of a small planet, or perhaps an entirely new type of celestial body unknown to science.
Space Exploration
Oct 14, 2023
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58
NASA's Psyche spacecraft rocketed away Friday on a six-year journey to a rare metal-covered asteroid.
Space Exploration
Oct 13, 2023
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90
It's a world like no other: a metal-rich asteroid that could be the remnants of a small planet, or perhaps an entirely new type of celestial body unknown to science.
Space Exploration
Oct 12, 2023
5
325
Missions to the moon, missions to Mars, robotic explorers to the outer solar system, a mission to the nearest star, and maybe even a spacecraft to catch up to interstellar objects passing through our system. If you think ...
Space Exploration
Oct 6, 2023
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190
Just off a tree-covered side road past businesses selling boats and fishing gear sits a fenced-off building that's home to a $700 million satellite nearly ready for launch. Its mission: To study the metal-rich asteroid Psyche, ...
Space Exploration
Aug 23, 2023
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1
China's manned space project was approved in 1992 with a three-step strategic plan, and building a space station is the final goal of this plan.
Space Exploration
Aug 21, 2023
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20
If you've ever played Kerbal Space Program, you know how difficult it can be to get your spacecraft into the orbit you want. It's even more difficult in real life. This is why it's pretty impressive to see a proposal to study ...
Space Exploration
May 31, 2023
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17
