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A pair of theoretical physicists are reporting that the same observations inspiring the hunt for a ninth planet might instead be evidence within the solar system of a modified law of gravity ...

Evidence pointing toward the existence of an undiscovered ninth planet in the solar system may actually indicate our ideas of gravity are incorrect. Such is the conclusion of two scientists who ...

The idea that the solar system has a clear boundary is misleading. This video explains why there is no true “edge,” only overlapping regions shaped by gravity, solar influence, and interstellar space.

Approximately 4.5 billion years ago, a cold cloud of gas and dust buried deep in one of the Milky Way galaxy’s spiral arms started to collapse. From there, gravity worked its magic. The cloud began to ...

Jupiter has 79 moons and is known as the 'king of the planets'. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Jupiter is the largest planet in ...

Premieres Wednesdays, Oct. 2 - 30, 2024 at 9 p.m. on KPBS TV / PBS app New discoveries are proving it – our solar system is a weird place, filled with bizarre worlds shaped by extreme forces ...