Despite dozens of experiments over the years, scientists still don't have a precise measurement for gravity's strength. Why is that?

Gravity may seem constant, but it actually varies across the planet—and one of the strangest places is Antarctica, where gravity is slightly weaker than expected. Scientists have traced this “gravity ...

Orbit Robotics built Helios, a four-armed robot designed for zero gravity that grips and braces inside spacecraft while ...

Gravitational waves are tiny ripples in spacetime. Their first direct detection in 2015 marked a revolutionary moment in ...

A wind is blowing away from the supermassive black hole at the center of the Milky Way, according to new evidence. This ...

Find the best things to do around Dallas-Fort Worth this weekend, including FoodieLand at Texas Motor Speedway, Little Elm ...

One of the most powerful typhoons ever recorded this early in the Pacific season did more than unleash flooding and extreme ...

Here are 29 free and cheap events happening around the city in June, including the Vancouver Jazz Festival, FIFA World Cup ...