Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...

"Seven (arguably, 8) is a feat that to my prior knowledge has not been achieved before," Dury told Live Science in an email — suggesting that if we include Earth itself, visible in the foreground, the ...

The Earth and Moon system we see today was formed when Theia, an ancient planet about the size of Mars ... nodal precession about the Earth-Moon eccentricity vector and Kozai-Lidov oscillations ...

By Robin George Andrews Astronomers on Tuesday said that the asteroid designated 2024 YR4 had become the most likely sizable space rock ever forecast to impact planet Earth. The object ...