Dust clouds from the Sahara reach the Caribbean—and fertilize waters there when they arrive. Christopher Intagliata reports.
Bubbles in 2.7-billion-year-old lava fields suggest Earth's ancient air was half as thick as today's
Caltech theoretical physicist Sean M. Carroll talks about the necessary connections among the various ways we have of describing the universe.
Raindrops eject carbon-based blobs of soil material from wet fields, creating a mist of organic compounds above the soil. Christopher Intagliata reports.
Recent seismic swarms under Mount Saint Helens show she's recharging her magma chamber. So why am I disappointed?
Evidence confirms dramatic climate change effects in the Solomon Islands
There's something wonderfully thrilling about geologic maps of places we've never mapped that way before! Scientists recently mapped a brand-new island and produced a beautifully detailed map of Mercury...
Film and book reviews from Scientific American’s May 2016 issue
Former Scientific American editor Mark Alpert talks about his latest science fiction thriller, The Orion Plan, featuring the method whereby aliens most likely really would colonize our planet...
Water scarcity poses a greater risk of turmoil under global warming, the World Bank argues
Reefs are disappearing decades ahead of schedule
The new maps show the link between clouds, plants and animals
Separating substances without using heat would lower global energy use, emissions and pollution
Rising levels of CO2 are making it hard for fish to breathe in addition to exacerbating global warming and ocean acidification
The high desert Verde Valley contains some surprising oases - and a wonderful geologic history.
An ancient lake, an underwater spring, a sinkhole, a perched water table and time combine to create a desert karst oasis
Paleontologist-turned-politician Richard Leakey talks with Scientific American about his efforts to save Kenya’s wildlife
Mountain-climbing bears transport cherry tree seeds, internally at first, to cooler, higher altitudes where the trees can survive as temperatures rise.
The pact to curb global warming receives an outpouring of support from more than 100 nations
If the Paris Agreement succeeds, coastal communities may flood terribly, but remain above the sea