Eco-friendly alternatives to fossil fuels are venturing beyond Earth—and into space.

Al Williams and I were talking about water rockets on the podcast the other day, and I realized that this was a perfect example of an open-ended simple project. It sounds really easy: you put some ...

A $6 million grant appropriation for the Bitter Creek Restoration Project was voted down during the House Floor session on ...

Scientists are developing a new space propulsion system that uses water as fuel, promising a more sustainable way to explore ...

Five hundred years after the Spanish explorers, billionaires' dreams of new riches and discovery launched from near Canaveral ...

Sea-based launches are hitting their stride. That could lead to a lot more space missions with a lot less red tape.

Last month, Donald Trump issued his first direct order to Elon Musk as president: go fetch the astronauts who flew to the ...

The goal for Climate Impulse is to take off unassisted, fly some 40,000 kilometers (about 25,000 miles) around Earth along ...

When aviation pioneer Bertrand Piccard a decade ago spearheaded a much-hyped flight around the world in a plane powered by ...