Our closest neighbors, Mars and Venus, have similar revolution times to us here on Earth. One year on Mars takes about 1.9 Earth years, while Venus gets to celebrate the new year every 225 days.

In 1969, geophysicist J. Tuzo Wilson compared the impact of this intellectual revolution in earth science to Einstein’s general theory of relativity, which had produced a similar upending of ...

Earth's seasons -- winter, spring, summer and fall -- are caused by the revolution of the Earth around the sun and the tilt of the planet's axis.

Scientists Turned the Earth’s Rotation Into 17 Microvolts of Electricity. That Could Be Revolutionary. In trying to solve Earth’s climate problem, the answer might be Earth itself.

VATICAN CITY — Pope Francis called Thursday for a bold cultural revolution to correct what he calls the “structurally perverse” economic system of the rich exploiting the poor that is t… ...

In issuing "Laudato Si," his much-anticipated encyclical on climate change, the pope on Thursday took an extraordinary approach to an environmental issue often framed in the dry language of science.

So now, just a quarter-century after exoplanet science got its start, astronomers are racing to make epochal discoveries in the field—the first true "alien Earth," and, perhaps, evidence that ...