Nearly a week after launching to space, a microwave-sized cubesat phoned home for the first time as it prepares to embark on its mission of sailing through low Earth orbit.

A Department of Defense official says Russia's space weapon would involve using a nuclear weapon to knock out satellites across Earth's orbit.

SpaceX's Starship will make space-based solar power cheaper than nuclear, gas and coal-based electricity generation, start-up Virtus Solis believes.

A start-up aims to revolutionize clean energy by harnessing unlimited solar energy from space. To make this futuristic idea a reality, Michigan-based start-up Virtus Solis aims to use SpaceX’s Starship.