Scientists from NASA and Chalmers University have discovered that incompatible substances can mix on Titan’s icy surface, ...

Scientists discover all stalagmites growing from cave floors follow a mathematical rule that explains how these mineral ...

A team of international physicists has brought Bayes’ centuries-old probability rule into the quantum world. By applying the ...

Light is fast, but travels in long wavelengths and interacts weakly with itself. The particles that make up matter are tiny ...

SAN DIEGO — Nikola Jokic lets other people worry about his stats for him. Like his brother Nemanja, who delivered him the news of a particularly novel NBA rule change this offseason. The “heave rule,” ...

Micah Parsons' much-anticipated return to Dallas to face his former Cowboys teammates ended with a 40-40 tie and the rare walk-off game-tying field goal. The Cowboys' Brandon Aubrey and Green Bay's ...

(Updated at 9:30 a.m. Sept. 30 with the department’s latest update that this week’s rule-making meetings will continue in person.) If the government shuts down Wednesday, it’s not clear whether the ...

A stiff neck triggered golf’s strangest rule when Viktor Hovland withdrew from singles play, automatically awarding Harris English a crucial half-point that may have sealed America’s comeback hopes at ...

Passengers traveling through hundreds of U.S. airports may no longer be required to remove liquids from carry-on bags during screening, thanks to the latest X-ray technology—but it’s far too soon to ...

The Trump administration says it will defend a Biden era-rule that is expected to keep polluters on the hook to clean up toxic “forever chemicals.” The rule in question designated two types of these ...