An increase in megaconstellation launches, especially from SpaceX’s Falcon 9, are leading to an “unregulated geoengineering ...

Few energy sources can top geothermal’s potential, with at least 42 terawatts of capacity available worldwide, according to the IEA — more than twice the world’s energy use last year. The technology ...

Add Yahoo as a preferred source to see more of our stories on Google. Japan successfully launched an H3 rocket powered only by liquid-fuel engines for the first time on Friday, news agency Kyodo ...

"Space jellyfish" leave an ethereal shape in the sky. In rare cases, sometimes the space jellyfish-shaped rocket contrail that follows a launch can transform into another shape. Like a heart. The ...