Learn how to make liquid oxygen at home safely. Trump says a Canadian ad misstated Ronald Reagan's views on tariffs. Here are the facts and context You’re actually not allowed to keep bird feathers ...

As we push toward the next phase of human space exploration, there’s a lot of focus on using local materials at our final destination. Anything we can find or make on the Moon, Mars, or elsewhere is ...

Researchers in China have developed a robot chemist powered by artificial intelligence (AI) that might be able to extract oxygen from water on Mars. The robot uses materials found on the red planet to ...