Archived articles

Earth and planetary sciences

Artist's rendition of Mars shows the planet in silhouette against a tiny sun
The search for water on Mars
Published Nov 2, 2017
Lecture explores lingering questions relating to the presence of liquid water on the Red Planet
Pockets of intense precipitation in red and yellow are seen over a map of northern South America
Public health
An early warning system for malaria
Published Oct 23, 2017 Video
Using satellite and population data, researchers hope to give public health officials more lead time
Anna Scott holds one of the sensor cubes, a white box with black grates for air intake
Climate science
Breathing easier
Published June 27, 2017
Project launched by JHU grad student records Baltimore air quality data for use by researchers, policymakers
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