If laser beams used to transmit energy miss their targets, they could damage nearby spacecraft and satellites. This could ...

This test flight, conducted by the Ashburn, Virginia-based startup Overview Energy, marks a major victory in the quest for ...

Beijing team finds that potential electrical discharges, though brief, could induce abnormal currents in spacecraft systems.

Space-based solar power advances with microwave and laser transmission, orbital assembly, and cost reductions, aiming for ...

One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks ...

What: A forward-looking SETI Live discussion examining the most significant space science missions, discoveries, and ...

The system is based on a highly compact and flexible ultrathin soft solar blanket that acts as the collection panel and can unroll once the satellite reaches orbit. As it does so, a 3D printer system ...

At times, the sun ejects energetic material into space, which can have consequences for space-based and even ground-based ...

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...