Don Pettit has a long history of inventing new tools for use in space. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Astronauts are many things ...

Chinese astronauts have just created rocket fuel and oxygen in space using a new type of "artificial photosynthesis." The breakthrough technology, which used fairly basic equipment and minimal energy, ...

In a preview of their flight, the crew of Artemis II, three Americans and a Canadian, struck a tone that veered away from the political currents of the moment. From left, Jeremy Hansen, Christina Koch ...

Astronauts are many things. They're often scientists, engineers, or pilots. And in the case of NASA astronaut Don Pettit, he's also an astrophotographer. At first glance, the image might look like a ...