As part of "What If?" series, Randall Munroe and Henry Reich explain what would happen Earth grew its radius by one ...

Unless you're an astronaut, you probably don't spend a lot of time thinking about gravity. What would happen if gravity ...

From the discovery of gravity to the first mission to defend Earth from an asteroid, here are the most important physics ...

It takes the Earth one year to orbit all the way around the sun. But the sun’s path around the Milky Way is much bigger. It ...

On Wednesday, the Expedition 72 team resumed their life science research, focusing on how microgravity impacts space immunity ...

Early tests of remotely operating robotics with an eye to employing them on the moon have been promising. Teleoperated rovers ...

The spacecraft must navigate the vast distance between Earth and Jupiter, which is approximately 779 million kilometers at ...

Lift is the critical aerodynamic force that keeps objects in the air. It opposes weight and helps keep an aircraft in the air ...

As you may recall from a recent column, the final fate of Earth depends on the last stages of the sun’s life, its red-giant ...

Soon the spacecraft will reach Mars to get a push in its journey to the unknown. NASA says Clipper will make its closest ...

In the search for life beyond Earth, scientists have traveled to distant locations — Antarctica and its ice sheets, Chile and ...