March 2026Today JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember201320142015201620172018201920202021202220232024202520262027 Sun Sunday Mon Monday Tue Tuesday Wed Wednesday Thu Thursday Fri Friday Sat Saturday 1 2 3 4 5 6 7 8 9 Geologic Hydrogen, Abiotic Methane, and Volume Changes Associated with Aqueous Alteration of Mantle Rocks in Submarine Environments (V) Past Event 10 11 12 13 14 15 16 17 18 19 20 21 22 23 How the Midcontinent Rift nearly split ancient North America apart 1.1 billion years ago—and why it stopped Past Event 24 25 26 27 28 29 30 31 1 2 3 4