For decades, the staggering cost of escaping Earth's gravity has limited our reach into space. Sending just one kilogram into orbit can run tens of thousands of dollars. Costs climb even higher for ...

A bold new propulsion system, proposed by engineer Jim Woodward, suggests that it might be possible to escape Earth’s gravity without traditional rocket fuel. The idea challenges conventional physics ...

Scientists have discovered trace gases from Earth reaching the Moon, revealing unexpected interplanetary connections and ...

Gravity and motion make time pass faster on Mars than Earth, reshaping navigation, communication, and future crewed missions.

You may have heard people say that aboard the International Space Station (ISS) there's "zero gravity," but in fact, gravity is still very much present. The station orbits Earth at an altitude of ...

The Inside Look at How the Battle of the Space Billionaires Began and Why It Matters Escaping Gravity is former NASA Deputy Administrator Lori Garver's firsthand account of how a handful of ...