Earth is dotted with humongous, human-made structures that, to an alien eye, may be tell-tale signs of intelligent goings-on.

Scientists have discovered unexpected water-ice clouds on a distant, Jupiter-like exoplanet, challenging current atmospheric ...

Earth didn’t always have a moon. In the beginning of the solar system, when the planets were still forming, something ...

When Elliot Williams and Al Williams compare their notes on the week in Hackaday, you know you’ll get at least one or two bad puns. How bad? Tune in and find out. This week, Tom Nardi visits ...

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