A newly uncovered trove of ancient stone tools in northwest Kenya suggests early humans didn't use them sporadically but routinely over hundreds of thousands of years, at the very emergence of ...

Robert Zubrin, likely the planet’s leading strategist for landing humans on Mars, and then remaking it in the Earth’s image, predicts SpaceX’s colossal Starship will be the first spacecraft ever to ...

Four adventurers suited up and embarked on a first-of-a-kind trip to space Monday night, becoming the first humans to fly in polar orbit aboard a SpaceX crew capsule chartered by a Chinese-born ...