Ismet Booley, a dentist in Cape Town, had a serious problem a few years ago. Patients showed up for appointments, only to find the power had gone out.

NASA’s push for a new nuclear rocket engine is not just another upgrade to the hardware we strap to the bottom of spacecraft.

Across the highest reaches of the housing market, you are no longer just buying a mansion, you are assembling a private realm ...

NASA's fleet of Earth-observing satellites captured 12 remarkable views throughout 2025, documenting major natural phenomena, climate events, and human impacts like wildfires, hurricanes, and ...