discovery

Being an intern in the Apollo program

From chasing toxic clouds to developing rocket fuels for Mars, Brian Cantwell shares stories of his time working on space exploration technologies – starting with an internship with the Apollo program.

What it’s like to be a theoretical physicist

Theoretical physicist Shamit Kachru and three of his graduate students talk about the social fabric behind their research, the cycle of confusion and discovery, and the sense of awe – or the cool factor – that drives them.

What can machine learning tell us about the solid Earth?

Scientists are training machine learning algorithms to help shed light on earthquake hazards, volcanic eruptions, groundwater flow and longstanding mysteries about what goes on beneath the Earth’s surface.

First Mars program director Scott Hubbard on InSight

Hubbard was right next to mission control for the landing of InSight on Mars. Here’s what he thinks about NASA’s latest deep-space triumph and the special satellites that accompanied it.

Watching nanoparticle photoreactions

Stanford researchers retooled an electron microscope to work with visible light and gas flow, making it possible to watch a photochemical reaction as it swept across a nanoparticle the size of a cold virus.