Study: A plunge in incoming sunlight may have triggered “Snowball Earths”

Findings also suggest exoplanets lying within habitable zones may be susceptible to ice ages.

Jennifer Chu | MIT News Office • mit
July 29, 2020 ~8 min

Tags: mathematics exoplanets geology climate-change environment climate research school-of-science planetary-science eaps earth-and-atmospheric-sciences

Study sheds light on the evolution of the earliest dinosaurs

Geological evidence suggests the known dinosaur groups diverged early on, supporting the traditional dinosaur family tree.

Jennifer Chu | MIT News Office • mit
July 29, 2020 ~9 min

Tags: evolution geology research school-of-science national-science-foundation-nsf eaps earth-and-atmospheric-sciences

An origin story for a family of oddball meteorites

Study suggests the rare objects likely came from an early planetesimal with a magnetic core.

Jennifer Chu | MIT News Office • mit
July 24, 2020 ~8 min

Tags: space astronomy geology nasa research school-of-science planetary-science eaps astronomy-and-planetary-science

Tiny sand grains trigger massive glacial surges

New model answers longstanding question of how these sudden flows happen; may expand understanding of Antarctic ice sheets.

Jennifer Chu | MIT News Office • mit
June 12, 2020 ~7 min

Tags: geology environment climate nasa research school-of-science national-science-foundation-nsf eaps earth-and-atmospheric-sciences fluid-dynamics

Origins of Earth’s magnetic field remain a mystery

The existence of a magnetic field beyond 3.5 billion years ago is still up for debate.

Jennifer Chu | MIT News Office • mit
April 8, 2020 ~9 min

Tags: space geology research school-of-science planetary-science eaps earth-and-atmospheric-sciences astronomy-and-planetary-science

Titan’s missing river deltas and an Earthly climate connection

Samuel Birch, a new Heising-Simons Foundation 51 Pegasi b Fellow at MIT, will investigate the surfaces of outer solar system objects.

Lauren Hinkel | EAPS • mit
April 8, 2020 ~6 min

Tags: space geology environment climate nasa awards research school-of-science planetary-science eaps earth-and-atmospheric-sciences honors-and-fellowships astronomy-and-planetary-science

Scientists quantify how wave power drives coastal erosion

The average power of waves hitting a coastline can predict how fast that coast will erode.

Jennifer Chu | MIT News Office • mit
March 16, 2020 ~8 min

Tags: geology environment water research school-of-science oceanography-and-ocean-engineering eaps ocean-science earth-and-atmospheric-science

Machine learning picks out hidden vibrations from earthquake data

Technique may help scientists more accurately map vast underground geologic structures.

Jennifer Chu | MIT News Office • mit
Feb. 28, 2020 ~8 min

Tags: machine-learning mathematics geology artificial-intelligence environment earthquakes research school-of-science eaps earth-and-atmospheric-sciences

Scientists pin down timing of lunar dynamo’s demise

Findings suggest the moon’s magnetic field was produced by the fallout of a crystallizing iron core.

Jennifer Chu | MIT News Office • mit
Jan. 1, 2020 ~7 min

Tags: space geology nasa moon research school-of-science planetary-science eaps earth-and-atmospheric-sciences astronomy-and-planetary-science

How long will a volcanic island live?

Plate tectonics and mantle plumes set the lifespan of volcanic islands like Hawaii and the Galapagos.

Jennifer Chu | MIT News Office • mit
Jan. 1, 2020 ~8 min

Tags: evolution geology environment nasa research school-of-science eaps earth-and-atmospheric-sciences

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