Exoplanets, Planets, Robotic Spaceflight, Solar System How does NASA navigate a Mars rover’s direction and determine its location with the planet having no global magnetic field?
Exotic Objects, Stars I’ve read that the gas ejected during supernova explosions glows at millions of degrees; I also have read that gas is tenuous. How would a million-degree gas feel physically? Would I vaporize while flying through such a cloud?
Exoplanets, Exotic Objects, Planets, Solar System, Stars, The Sun Web Extra: 2014’s other big space stories
Milky Way What impact has the Kepler space telescope’s exoplanet discoveries had on the Drake equation?
