More objects are being launched into space than ever, and most are headed for low Earth orbit. This region of space has become increasingly crowded with launches from SpaceX and others that have ...

Add Yahoo as a preferred source to see more of our stories on Google. No, Earth will not have "two moons until 2083," but asteroid 2025 PN7 has joined Earth's orbital path, with the tiny fleet of ...

The recently spotted asteroid 2025 PN7 appears to be the source of the rumor mill about Earth's supposed second moon. Earth has several quasi-moons that get their name due to the fact that they ...

Explore the concept of 'snowball earth' and recent findings on climate variability during this ancient icy period.

In the whole history of Earth's climate, few events are as extreme as those that geologists call "Snowball Earth." ...

The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.

Professor of Earth, Environmental, and Planetary Sciences, University of Tennessee If you’ve seen illustrations or models of the solar system, maybe you noticed that all the planets orbit the Sun in ...