Prepare For Lift-off! BepiColombo Launches For Mercury

This Friday (October 19) at 10:45pm local time in French Guinea, a spacecraft is set to launch for Mercury. This is the BepiColombo mission which will begin its seven year journey to our solar system’s innermost planet. Surprisingly, the science goals for investigating this boiling hot world are intimately linked to habitability. Mercury orbits the …

Phobos and Deimos: Captured Asteroids or Cut From Ancient Mars?

Illustration of Mars with its two moons, Phobos and Deimos. (NASA/JPL-Caltech/Malin Space Science Systems/Texas A&M Univ.) The global success rate for sending missions to land on the moons of Mars has hardly been impressive -- coming in at zero out of three attempts.  They were all led by the Russian (or former Soviet) space agencies, …

Phobos and Deimos: Captured Asteroids or Cut From Ancient Mars?

American attention regarding space missions is, not surprisingly, focused primarily on NASA missions.  But there is a lot more exploration underway, and we should know about it.  This is a guest column by Elizabeth Tasker, an Associate Professor at the Japan Aerospace Exploration Agency, JAXA, and whose book, "The Planet Factory", comes out in November …