Journal Highlights

New data potentially confirms presence of intact lava tubes on the Moon

Editor’s Highlight—


Speculation about the presence of lava tube caves on the Moon has been around since the Apollo era. However, it wasn't until the discovery of several lunar pits/voids in mare units that there were locations to focus studies with geophysical instruments. This paper potentially confirms results from the NASA GRAIL gravity mission about the presence of intact lava tubes. Data from the SELENE Lunar Radar Sounder provided new information regarding the possible size and depth of a cave/tube in the Marius Hills. Dreams of putting people into lava tubes on the Moon have been ongoing for decades, and this work is an important step in turning that dream into reality.


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Featured Special Collection

A Census of Atmospheric Variability from Seconds to Decades 

The atmosphere varies naturally on all length scales from millimeters to thousands of kilometers, and on all time scales from seconds to decades and longer.  This special collection of Geophysical Research Letters synthesizes and summarizes that variability through a phenomenological census.  The collection brings together some of the most influential and definitive papers to have been published in this journal in recent years.  The topics covered include turbulence on time scales of seconds and minutes, gravity waves on time scales of hours, weather systems on time scales of days, atmospheric blocking on time scales of weeks, the Madden–Julian Oscillation on time scales of months, the Quasi-Biennial Oscillation and El Niño–Southern Oscillation on time scales of years, and the North Atlantic, Arctic, Antarctic, Pacific Decadal, and Atlantic Multi-decadal Oscillations on time scales of decades.  The collection is accompanied by a Commentary article, which provides an authoritative, concise, and accessible point of reference for the most important modes of atmospheric variability.

A Census of Atmospheric Variability from Seconds to Decades