Two commercial spacecraft pulled off a surprise rendezvous in Earth orbit recently, showcasing skills that could pave the way for satellite servicing missions down the road.

For the hot end, an aluminium mount was pressed into soil, transferring the Earth’s ambient heat to the engine’s bottom plate. At the cold end, the researchers attached a black-coated plate that ...

In a groundbreaking development, scientists have engineered a revolutionary engine that utilizes the cold of space to generate power. This innovative device, operating without traditional fuels, draws ...

This engine won't be fueling interstellar missions, but still finds an unexpected way to use deep space energy to generate power. Reading time 3 minutes Deep space may provide hidden sources of energy ...

The reusability of different parts of a space rocket has opened the doors to a literal flood of launches to Earth orbit and beyond. Thanks to the fact that space companies now no longer have to make a ...

Here’s what you’ll learn when you read this story: Stirling engines, which have been around for centuries, leverage temperature differentials in a gas to do light mechanical work. A new study ...

Every second, our planet is racing through space at tens of thousands of miles per hour, yet the air outside the window ...

Over 14,000 pieces of junk are clogging up low Earth orbit, but this number could be reduced by a new invention that involves a satellite using the plasma exhaust of its ion engine to knock dangerous ...

Shelli Brunswick is CEO & Founder of SB Global LLC and an international keynote speaker on tech used for the betterment of humanity. NASA’s 2025 Spinoff report highlights a profound truth: Space ...