Tag Archive for 'IceBridge'

This artist’s conception shows how double ridges on the surface of Jupiter’s moon Europa may form over shallow, refreezing water pockets within the ice shell. Image credit: Justice Blaine Wainwright.

Study: Shallow Liquid Water is Ubiquitous across Ice Shell of Jupiter’s Moon Europa

Apr 20, 2022 by News Staff

Surface landforms called double ridges occur across every sector of Jupiter’s icy moon Europa and can be hundreds of kilometers in length. In new research,...

Paxman et al. mapped a huge ancient lake basin (outlined here in red) below the Greenland ice; redder colors signify higher elevations, green ones lower; a stream system incised into the bedrock that once fed the lake is shown in blue. Image credit: Paxman et al., doi: 10.1016/j.epsl.2020.116647.

Giant Ancient Lake Bed Discovered Deep under Greenland Ice Sheet

Nov 11, 2020 by News Staff

A team of scientists from Lamont-Doherty Earth Observatory at Columbia University has discovered paleolake basin situated beneath the ice sheet in northwest...

Surface meltwater in Greenland. Image credit: Winnie Chu, Stanford University.

Geoscientists Find 56 New Subglacial Lakes beneath Greenland Ice Sheet

Jul 5, 2019 by News Staff

A new analysis of data from NASA’s Operation IceBridge airborne science mission has revealed 56 previously uncharted subglacial lakes beneath the Greenland...

Just 114 miles from the recently-discovered Hiawatha impact crater under the ice of northwest Greenland, lies a possible second impact crater. The 22.7-mile-wide feature would be the second crater found under an ice sheet, and if confirmed, would be the 22nd-largest crater on Earth. Image credit: NASA’s Goddard Space Flight Center / Jefferson Beck.

Scientists Find Possible Second Subglacial Impact Crater in Northwest Greenland

Feb 12, 2019 by News Staff

Following the discovery of the 19.2-mile (31 km) wide Hiawatha impact crater beneath the northwest margin of the Greenland Ice Sheet, Dr. Joe MacGregor...

This is a photo illustration of the airplane during the survey, radar waves and the actual radar image. Image credit: NASA.

Geoscientists Find Large Impact Crater in Greenland

Nov 15, 2018 by News Staff

An international team of geoscientists from the United States, Canada and Europe has discovered a large impact crater beneath the Hiawatha Glacier in remote...

This image of the rectangular iceberg was taken during an Operation IceBridge flight over the northern Antarctic Peninsula on October 16, 2018. Image credit: Jeremy Harbeck, NASA.

NASA’s IceBridge Researchers Find Rectangular Icebergs in Southern Ocean

Oct 24, 2018 by News Staff

Members of the Operation IceBridge, NASA’s decade-long airborne survey of polar ice, spotted two rectangular icebergs during a flight over the northern...

This image shows curious holes in Arctic sea ice, located about 50 miles (80.5 km) northwest of Canada’s Mackenzie River Delta. Image credit: John Sonntag / NASA’s Operation IceBridge Mission.

Mysterious Holes in Beaufort Sea Ice Puzzle Researchers

Apr 25, 2018 by News Staff

On April 14, 2018, scientists working on NASA’s Operation IceBridge — a multi-year airborne science mission to study changing ice conditions at...