Sky-high energy costs loom as a conflict's duration strains the oil market. While emergency reserves offered temporary relief ...

Humans were not designed for space. Ironically, because we insist on going there anyway, scientists now know from studying astronauts that the lack of Earth’s gravity can wreak health havoc, such as ...

ClearSpace has built a spacecraft to act as a tow truck, tracking down dead satellites and grabbing them from orbit with a robotic claw.