A massive Saharan dust plume is moving into the southeast US, bringing technicolor sunsets and suppressing tropical storms

From June through October, it's not unusual for huge Saharan dust plumes to blow across the Atlantic. They can darken skies but also bring calmer weather and electric sunsets. Here's how they form.

Scott Denning, Professor of Atmospheric Science, Colorado State University • conversation
June 25, 2020 ~7 min

Tags: climate hurricanes storms atmospheric-science weather air-quality atlantic-ocean dust sahara tropical-rainforest

Meteorites from Mars contain clues about the red planet's geology

Martian meteorites allow scientists here on Earth to decode that planet's geology, more than a decade before the first missions are scheduled to bring rocks back home from Mars.

Arya Udry, Assistant Professor of Igneous Petrology, Planetary Science, University of Nevada, Las Vegas • conversation
June 16, 2020 ~6 min

Tags: space nasa mars gravity volcanoes antarctica earth meteorites outer-space asteroids national-science-foundation mars-rover sahara rock life-on-mars morocco martian-volcanoes

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