lamont.columbia.edu https://aggr.aymericbeaumet.com/sources/lamont.columbia.edu/ Browse aymeric's, an independent, searchable archive of readable snapshots from followed feeds, preserved in Git with aggr. en Wed, 4 Nov 2026 01:40:42 +0000 aggr Giant canyon on Mars is still tectonically active https://aggr.aymericbeaumet.com/items/hnrss-org/2026-11-04-giant-canyon-on-mars-is-still-tectonically-active/ urn:aggr:item:42e927becae861538388d950067008da37ca8fa7 Wed, 4 Nov 2026 01:40:42 +0000 gmays news