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, ...

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 ...

This hypothetical planet, imagined to be even closer to the Sun than Mercury, he named Vulcan, after the Roman god of fire.

Root explores how Earth’s gravity field is constantly changing and what these variations reveal about our planet ...

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 ...

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 ...

Planets are round because of gravity. When an object in space gets large enough, its own gravity pulls material evenly toward its center. Over time, gravity smooths out mountains, bumps, and irregular ...

The elusive Planet Nine, which is theorized to be lurking somewhere in the outer reaches of the solar system, may not be a planet after all, a new study suggests. Instead, what we assumed to be a ...

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 ...