Okay, it's not quite that common an occurrence, but there are indeed a number of firms giving this a go. The latest to join ...

There are about 15,000 satellites orbiting Earth. Most of them, like the International Space Station and the Hubble Telescope ...

A space solar power startup has emerged from stealth after demonstrating a key technology for its plans to transmit power ...

Energy-starved AI workloads are driving companies to space, but analysts say the technology remains years from general ...

Assuming Google does manage to launch a prototype in 2027, will it simply be a high-stakes technical experiment – or the ...

Google's Project Suncatcher is a proposal to launch an 81-satellite constellation into low Earth orbit. But it must contend ...

Orbital solar power faces a $20 billion Cassiopeia build cost, giving you a clear view of where it could pay off first in practice. The design and ...

Space-based solar power could provide round-the-clock access to renewable energy, sidestepping one of the technology's biggest limitations. Now the idea is going to get its first true test after a ...

Harvesting solar energy in orbit and beaming it down to Earth is a decades-old idea. Now, a raft of companies say they could finally make it a reality. At an American football stadium in Florida last ...

The long running rivalry between Elon Musk and Jeff Bezos has found a new arena, as both billionaires pivot from launching ...

When space talk turns to far-out exploration, to manned voyages far beyond the moon or Mars, most plans call for a nuclear reactor capable of providing abundant power without paying too much of a ...