Newton’s law says the force of attraction between a planet such as Earth and another object, such as the moon, depends on the ...

An international team used 40 years' worth of data from two space probes to track down what they believe are signs of this ...

Tesla and SpaceX CEO Elon Musk, wearing a shirt that says “Occupy Mars,” and Republican vice presidential nominee Sen. JD ...

A team of researchers has linked Earth's slowing rotation to the Great Oxidation Event, which made the planet more habitable ...