Astronomers should search for technosignatures on planets that are not conducive to life. Harvard astronomer Avi Loeb ...

U.K. start-up Pulsar Fusion has unveiled plans to build a fleet of reusable nuclear fusion-powered rockets, known as Sunbirds ...

The trouble is, it can only ever be found in the most pristine areas, like Antarctica, because in most places there is so much other dust that micrometeorites are immediately lost. But Larsen wasn’t ...