James Webb Telescope's first image will be the 'deepest image of the universe ever taken'

Sun's magnetic arches may actually be just an optical illusion, research suggests

Mars Express Orbiter’s Instrument Gets Major Software Upgrade

NASA's InSight lander is likely retiring later this year. But thanks to its marsquake-measuring seismometer, the lander has already revealed a great deal about the internal structure of the Red Planet. Here's the basics of what different seismic waves (p-, s-, Rayleigh, and Love waves) can teach us.