Sometimes to truly study something up close, you have to take a step back. That's what Andrea Donnellan does. An expert in Earth sciences and seismology, she gets much of her data from a bird's-eye ...

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

What does it take for a recalcitrant physicist to demand a camera for a spacecraft, against doubters and technical obstacles? For Mariner 4, it resulted in one of the most revolutionary moments in ...

When and where did life on Earth begin? What ingredients does the recipe for life require? Is there life out there beyond the stars, and if so, did it arise in the same way? Or are we alone in the ...

Orkan Umurhan is a planetary physicist who brings an applied mathematical background to confront a wide array of physical processes ranging from the turbulent origins of the solar system's first ...