Archived articles

Earth and planetary sciences

Image depicts Pluto in brown and gray tones
Status update?
Make Pluto a planet again
Published March 16, 2017
Planetary scientist offers a geophysical definition of planets—which would expand the number in our solar system from eight to about 110
Planetary science
How the moon was made
Published Sept 26, 2016
Stratified layer in Earth's mantle points to 'giant impact' of infant planet, research suggests
Microscopic look at a cluster of a coccolithophore
Plankton problems?
Published Nov 26, 2015
Study: Rapid growth in plankton population in North Atlantic could indicate significant climate change
Not so rare?
Deep-Earth diamond find
Published Nov 4, 2015
JHU scientists develop new theory about simpler diamond formation
Ask an expert
Why care about Mars?
Published Jan-Feb 2015
Assistant professor from Earth and Planetary Sciences ponders our fascination with the Red Planet / Gazette
Finding clues in carbon
Published Nov 20, 2014
JHU-led team suggests ways subterranean carbon might have influenced history of life on Earth
Professor emeritus Hardie dies at 80
Published Jan 28, 2014
Expert in geochemistry, sedimentology changed our understanding of the salinity of seawater through the ages
Next top model?
Planning for disasters
Published Oct 28, 2013
JHU-led project aims to help region better withstand hurricanes, heat waves
Phantom Menace
Tatooine town doomed?
Published July 22, 2013
Desert dune poised to swallow Darth Vader's boyhood home, JHU researcher says / The Independent
Sailing stone
Rolling stones?
Desert magic demystified
Published June 19, 2013
Johns Hopkins scientist explains mystery of Death Valley's sailing stones / Smithsonian.com