Natural gas may prove critical to SpaceX's growth plans.

China’s electric launch technology stems from a two-decade-old idea and could potentially make SpaceX’s chemical rockets ...

Shares of SpaceX slid 4% in overnight trading late Sunday after global financial services firm MSCI Inc. assigned the company ...

Shares of FuelCell Energy (NASDAQ:FCEL) are up 24% to $24.45 in midday trading Friday, while Bloom Energy (NYSE:BE) stock is down 13% to $268.65. It’s a rare same-session split for two fuel cell peers ...

There's a fine line between ambitious and implausible, and Dreame's latest EV concept doesn't so much walk that line as launch itself clear over it. Unveiled Monday at the Palace of Fine Arts in San ...

Critical Energy is turning rocket engines into geothermal power plants, and it wants to build 300 GW per year by 2045.