Starliner astronauts got a much longer stay at ISS. SpaceX caught a rocket booster. Here's a look back at the most pivotal space missions from 2024.

When it comes to science, a simple observation can upend everything you think you know, such is the case with one star ...

New observations from the James Webb Space Telescope hint that the universe’s first stars might not have been ordinary fusion ...

The race is on to harness the near-infinite power of nuclear fusion—by building a star on Earth. And scientists are closer ...