See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. "Science rules" has long been Bill Nye the Science Guy's catchphrase, ...

Travel to another moon or planet and your weight will change — but not your mass. This is because your weight on other worlds depends on the gravitational force of attraction between you and that ...

NASA scientists have discovered an electric field encompassing Earth’s atmosphere that is as “fundamental” as gravity — and could even give clues about possible life on other planets. A team of NASA ...

To be a planet, NASA says an object must be big enough that its gravity has cleared away any other objects of a similar size ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of the Kuiper belt with brownish hues. In the foreground, a hypothetical 'Planet 9' is seen. Evidence pointing ...

The mission, which is headed towards a unique asteroid, is making the most of its short rendezvous with the Red Planet.

Measurements made with the help of the Deep Space Network (DSN) revealed that the close approach to Mars gave the spacecraft ...

Science fiction loves to take us to desolate alien worlds with low-gravity, and envision creatures evolved to those or humans adapted to those conditions or zero-gravity in space, and many planets we ...

NASA reports more than 400 gas giants – large gas planets like Jupiter or Saturn – have been discovered outside of Earth's solar system. However, the possibility that a gas planet could exist in the ...