The Odd Landscape of Deep Earth

The furthest we’ve ever dug into Earth is only 0.2% of the way to its center. Beneath our progress, new research says, is an odd assortment of mountain ranges—with some peaks taller than Mount Everest—as well as massive ebbing blobs under Africa and the Pacific Ocean and a 760-mile-wide iron sphere in the center. Using seismic waves, researchers hope to map the entire make-up of …

Photographing the Planet Every Day From 143 Satellites

San Francisco-based start-up Planet just launched 88 small satellites in a record-breaking take-off from India (among a total of 103 satellites on a PSLV rocket). If all goes according to plan, Planet will begin photographing Earth every single day from their entire roster of 143 satellites, which move north to south scanning the globe. This would position Planet as the premiere provider of satellite image …