National Aeronautics and Space Administration
Lunar and Planetary Science

What's New in Lunar & Planetary Science

NASA has announced new details on the discovery of a planetary system by researchers at the University of Liege in Belgium. The system, called TRAPPIST-1, contains seven roughly Earth-size planets orbiting close to an ultra-cool dwarf star. Three of the planets appear to be in the habitable zone, potentially having liquid water and conditions amenable to life. More...

The New Horizons spacecraft successfully performed a short engine burn on 01 February to put it on course for its 2019 flyby of Kuiper Belt Object 2014 MU69. The 44 second burn altered its velocity by 44 cm/sec, refining its approach distance to 2014 MU69. More...

NASA has chosen two new Discovery missions, one, Lucy, to explore six Jupiter Trojan asteroids, and the other, Psyche, to explore main belt asteroid 16 Psyche. More...

This Day in Planetary and Lunar Exploration History

March 29

Third largest asteroid, 4 Vesta, discovered by Heinrich Olbers, fourth asteroid discovered.
Mariner 10 flies by Mercury, becoming the first spacecraft to visit the planet closest to the Sun.

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