Our planet isn't a perfect sphere but an oblate spheroid, bulging at the Equator due to rotation. This subtle flattening, though unnoticeable daily, significantly impacts GPS, climate studies, and ...

Earth receives about 7 percent less light during aphelion than during its closest approach to our star, yet the average ...

Geologists studying some of the planet's oldest volcanic rocks have uncovered new evidence that water was playing a major ...

A by no means exhaustive list of reasons to visit each of the 50 states this year—and beyond.

The discovery bemused residents of a small town in northeastern Australia. The objects appear to be junk from a space launch, the country’s space agency said. By Hari Raj An Australian beach community ...

NASA's Parker Solar Probe has found charged grains of dust being carried on magnetic plasma waves in the Sun's outer ...