Moon rocks have also made brief visits at the White House. During Trump's first term in office, a different Apollo 17 rock ...

There are many obstacles to overcome before humans can set foot on Mars, including problems surrounding launch mass and ...

Trump’s pledge to go to Mars without mentioning the moon has caused some head-scratching and even consternation in the media.

Here's what we know about options SpaceX might have to bring the Starliner astronauts home faster from the space station.

President Trump’s allies and aides are learning to deal with Tesla CEO Elon Musk, who has had a consistent presence in the ...