Starlink is growing fast, and SpaceX has filed paperwork for as many as 42,000 satellites. Others such as OneWeb, Amazon, ...

Jared Isaacman—the presumptive next leader of NASA—answered questions about his plans for the future of U.S. space ...

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

Since formalizing a partnership last fall, APL and Intuitive Machines have made marked progress toward building ...

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

Billionaire spacewalker Jared Isaacman is back before the Senate after being yanked and then renominated by President Donald ...

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 ...

A federal vaccine advisory committee this week is expected to discuss whether newborns should still get the hepatitis B ...

In what Sen. Ted Cruz referred to as a “Groundhog Day” Senate committee hearing Wednesday, billionaire Jared Isaacman saw ...

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