Our circumstances here on the wondrous, life-supporting Earth can give us a false understanding of what the universe is ...

Scientists have solved a century-long puzzle about Earth's magnetic field, which is generated by the planet's core. Stock image representing the structure of Earth.

Scientists discover that large amounts of nitrogen could be hidden in the Earth's metallic core, which would solve a ...

A new study published in Geophysical Research Letterssheds light on the mysterious internal heat of Uranus, solving a ...

The science behind why the Earth will spin just a little bit faster on July 9, July 22, and August 5, this year.

Planet Earth’s natural satellite has got a grip on scientists. Our charismatic moon is made more so by many unanswered questions, even after Apollo moonwalkers went the distance to study the ...

A new study led by University of Houston researchers, in collaboration with planetary scientists worldwide, suggests Uranus ...

LEAGUE CITY, TEXAS -- Planet Earth’s natural satellite has got a grip on scientists. The charisma of the Moon is made moreso by many unanswered questions, even after Apollo moonwalkers went the ...

When does 'Planet Earth III' come out in the U.S.? The eight-episode series will become available in the U.S. on Saturday Nov. 4. Need a break? Play the USA TODAY Daily Crossword Puzzle.