How well does concrete work in space?

Concrete is not the first material one usually thinks of when exploring space. Nor is it the focus of much cutting-edge research. The most common building material has been used by humanity for thousands of years. But ...

When CubeSats meet an asteroid

SA's Hera mission for planetary defense, being designed to survey the smallest asteroid ever explored, is really three spacecraft in one. The main mothership will carry two briefcase-sized CubeSats, which will touch down ...

We might have a new mini-moon soon

Is it a new asteroid mini–moon or a human-made mini-moon? That's the question about a small object approaching Earth, called 2020 SO. NASA's Small Body Database predicts the object will captured by Earth's gravity in October ...

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