Earth’s magnetic field protects the planet from space weather like cosmic radiation and charged particles from the Sun. The ...

Just as you bounce sunlight off a watch face into a light spot, Reflect Orbital’s satellites would use mirrors to beam light onto Earth.

President Donald Trump met with the prime minister of Australia. They signed an agreement on Australia's rare-earth minerals ...

In the test, a flat, square mirror roughly 2.5 metres across directs a beam of light down to solar panels and sensors. In one ...

After decades of setting the pace for tech and innovation, the U.S. is at risk of surrendering its lead in the race that will ...

A proposed constellation of satellites has astronomers very worried. Unlike satellites that reflect sunlight and produce ...

Some cities are meant to be seen through windshields and windows. Others, the truly special ones, are best discovered one ...

Do we have the courage to keep investing in knowledge for its own sake, as previous generations did for us, the author asks.

The city of Siena was our nearest major population centre when I was growing up. Going to Siena was always exciting, mainly ...

Nicholas Spada is one of the only scientists in the world using a nuclear x-ray process to study deadly nanoparticles in wildfire smoke. What he’s uncovered in California is a nightmare.