Add Yahoo as a preferred source to see more of our stories on Google. Earth is spinning faster this summer, leading astronomers to notice that some days have clocked in at slightly less than the ...

Geophysicist John Vidale noticed something striking while tracking the way seismic waves move from Earth's crust through its core. The very center of the planet, a solid ball of iron and nickel ...

Earth is expected to witness its shortest day on record this Wednesday, with more unusually short days predicted later this month on July 22 and again on August 5. Scientists say the phenomenon is ...

When it comes to saving Earth from a potential doomsday rock, knowing where to hit it and how it spins could make all the difference. Two new studies presented last month at the Europlanet Science ...

Earth is spinning faster this summer, making the days marginally shorter and attracting the attention of scientists and timekeepers. July 10 was the shortest day of the year so far, lasting 1.36 ...