The building blocks of life on Earth may have been fueled by tiny sparks hopping between water droplets.

The rockets are expensive, whether they use liquid or solid fuel, so the West German Ministry of Transport asked jet-propulsion experts to evaluate hot-water rockets, a prewar German idea that ...

Some curious dolphins seemingly wanted to give a personal “welcome home" to the Crew-9 astronauts, moments after they splashed down off the coast of Florida on Tuesday afternoon.