The billionaire tech entrepreneur and Elon Musk ally fielded questions about his explosive “Project Athena” plan for the space agency.

Billionaire private astronaut Jared Isaacman, President Donald Trump's nominee to lead NASA, on Wednesday touted his plans to ...

Forget the dusty, rusty landscape you see today. Billions of years ago, Mars may have been soaking wet. Tropical storms might ...

I nterstellar comet 3I/ATLAS will make its closest approach to Earth this month, whizzing by at 270 million kilometers (168 million miles) away, putting on a show for anyone equipped even with a small ...

Docked crafts from NASA, Roscosmos, JAXA, and SpaceX marked an unprecedented moment in international space operations.

When NASA engineers want to test a concept for exploring the Red Planet, they have to find ways to create Mars-like ...

Interstellar comet 3I/ATLAS is making its closest-ever pass in December. Learn about this mysterious space outsider, its ...

Billionaire private astronaut Jared Isaacman, President Donald Trump's nominee to lead NASA and an ally of Elon Musk, will ...

Track the interstellar Comet 3I/ATLAS, catch the peak of the spectacular 120-per-hour Geminid meteor shower (Dec 13/14), and ...

“Orion’s service module will provide the push needed to break free from Earth orbit and set course for the Moon. This ...

Scientists are testing advanced drones and robot dogs in some of Earth's toughest deserts to prepare for autonomous ...