At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

From the ISS, NASA astronaut Don Pettit captured rare purple lightning and mysterious upper-atmosphere flashes above massive ...

Researchers discovered Mars subtly affects Earth’s orbit and axial tilt. These small changes help trigger ice ages and ...

In one study, these particles from high-altitude wildfire smoke created a dramatic cooling effect not accounted for in current climate models. When you purchase through links on our site, we may earn ...

While Mars doesn't directly control Earth's climate, its gravity subtly influences our planet's orbit and tilt over vast timescales. These predictable ...

Images like these have become powerful tools for connecting people to the planet, to remind them about the beauty and ...