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

Dust storms may shed light on life on Mars

The chemical reactions that dust storms on Mars cause indicate that our quest to find life on the red planet may need to go beneath the surface.

Shawn Ballard-Wash. U. in St. Louis • futurity
June 19, 2020 ~7 min

Tags: space planets mars weather alien-life science-and-technology dust

Way before stars form, space clouds hold building blocks of life

"This tells us that the basic organic chemistry needed for life is present in the raw gas prior to the formation of stars and planets."

Daniel Stolte-Arizona • futurity
June 16, 2020 ~9 min

Tags: evolution space life stars science-and-technology gases dust

Astronomers say exoplanet was actually a dust cloud

The exoplanet Fomalhaut-b likely never was, say astronomers. Their work suggests an expanding cloud of dust instead.

Daniel Stolte-Arizona • futurity
April 21, 2020 ~8 min

Tags: space exoplanets planets stars science-and-technology dust

Astronomers say Betelgeuse isn’t about to pop, just dusty

The star Betelgeuse dimmed 40% last year, fueling popular speculation that the red supergiant would soon explode as a massive supernova.

James Urton-Washington • futurity
March 6, 2020 ~6 min

Tags: space stars science-and-technology dust

How dust comes together to form planets

How aggregates of space dust stick together and form planets has been a mystery, but researchers may finally have an answer.

Camden Flath-Futurity • futurity
Dec. 10, 2019 ~3 min

Tags: space planets science-and-technology dust

Antibacterial stuff is giving dust drug-resistance

You might think all dust is "dead," but that's not true, and antibacterial products could make the microbes in dust resistant to antibiotics.

Northwestern U. • futurity
Jan. 3, 2019 ~4 min

Tags: bacteria antibiotics drug-resistance featured health-and-medicine dust

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