Greenland mega-canyon: Images of the rock formation beneath ancient ice.

Amazing Views of the “Mega-Canyon” Discovered Under Greenland's Ice

Trending News Channel
Videos Highlighting The Latest Search Trends.
Aug. 30 2013 9:30 AM

Amazing Views of the “Mega-Canyon” Discovered Under Greenland's Ice

A newly discovered canyon lying beneath a 4-million-year-old ice sheet in northern Greenland appears to be 750 kilometers long and up to 800 meters deep.

Video by Reuters. 

Videos curated by Slate staff.

  Slate Plus
Working
April 20 2015 5:34 PM The “How Does a New Orleans Musician Work?” Transcript Read what Adam Davidson asked singer-songwriter Sarah Quintana about her workday.