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 ...

For the next few decades, a tiny asteroid will move quietly through space alongside Earth. This space rock, called 2025 PN7, ...

No, Earth will not have "two moons until 2083," but asteroid 2025 PN7 has joined Earth's orbital path, with the tiny fleet of space rocks set to trail Earth's orbit until 2083 before the sun pulls it ...

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 ...

Scientists have discovered a previously unknown quasi-moon that’s been shadowing Earth’s orbit for decades, undetected, and will likely remain there for a few decades more. The quasi-moon, named 2025 ...

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 ...

Astronomers have spotted a quasi-moon near Earth — and the small space rock has likely been hanging out near our planet unseen by telescopes for about 60 years, according to new research.Related video ...

The planet’s rotation fluctuates as it travels around the sun, and measurements suggest we’re losing more than a millisecond during the long days of summer. By Jacey Fortin This article was updated ...

Our planet had a "second moon" for a hot minute in 2024. This gave space entrepreneurs a bright idea. Almost a year ago, the space science community watched as an asteroid entered Earth's orbit and ...