Regent Craft secures a contract from the U.S. Marine Corps to advance high-speed, radar-evading electric seagliders for ...

With evidence pointing to serious kidney challenges, careful planning will be needed to keep crews healthy on space journeys ...

This is what Mr Musk said he wanted to do last year. Then it seemed barely plausible. Today it looks next to impossible. Mr ...

This is what Mr Musk said he wanted to do last year. Then it seemed barely plausible. Today it looks next to impossible. Mr ...

Toxic dust on Mars would make a future mission to the red planet extremely hazardous for astronauts and require significant ...

Scientists have found unusual, blueberry-like rocks on Mars that could give us more insights into its geological history.

A privately funded crew will launch on a SpaceX rocket next week on a mission to orbit Earth's poles - something that has ...

A team of scientists just discovered the longest organic molecules yet seen on Mars, the fourth planet from the Sun and and a ...

A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.

SpaceX, under Musk's influence, is securing substantial government contracts and support across multiple federal agencies.

SpaceX has set a rocket re-use record for launch-turnaround by sending a Falcon 9 up twice within nine days early Friday ...

Mr. Irving is an investigative journalist who has covered aviation and aerospace for more than 30 years.