Find out what’s speeding up Earth’s rotation and why it may force timekeepers to delete a second ...

Earth rotates once in about 24 hours with respect to the Sun, but once every 23 hours, 56 minutes and 4 seconds with respect to other distant stars. Scientists call this difference crucial to ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have discovered 2025 PN7, a small quasi-moon that mirrors Earth’s orbit around the Sun. (CREDIT: ESA) Earth has just ...

The object, the latest “quasi-moon” detected by astronomers, could be with us for almost another 60 years. By Robin George Andrews The Earth stands alone in the solar system as a habitable world, as ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's illustration depicts a typical asteroid. Quasi-moon 2025 PN7 is an asteroid that orbits the sun but appears close to ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...