Aurora mysteries unlocked with NASA's THEMIS mission

A special type of aurora, draped east-west across the night sky like a glowing pearl necklace, is helping scientists better understand the science of auroras and their powerful drivers out in space. Known as auroral beads, ...

Do the TRAPPIST-1 planets have atmospheres?

In February of 2017, the scientific community rejoiced as NASA announced that a nearby star (TRAPPIST-1) had a system of no less than seven rocky planets. Since that time, astronomers have conducted all kinds of follow-up ...

Image: Disinfection for planetary protection

Carefully wrapped inside this donut-shaped bag is a 35-m diameter parachute that will endure a frenzied six-minute dive into the Martian atmosphere.

page 14 from 31