Search results for american continents

Earth Sciences 5 hours ago

Reevaluation of Colorado's iconic summits is part of a national remapping project

Derek van Westrum, a physicist with NOAA's National Ocean Service (NOS), didn't want to be responsible for taking one of Colorado's beloved "Fourteeners" off the books.

Plants & Animals Apr 12, 2024

Yellow-eyed grasses may have more insect visitors than previously thought

Scientists previously believed that a family of flowering plants called yellow-eyed grasses didn't attract many insect visitors, but the recent discovery of a fungus that hijacks the plant and forms fungal "pseudoflowers" ...

Earth Sciences Apr 10, 2024

The limits of ice: What a 19th-century expedition trapped in sea ice for a year tells us about Antarctica's future

In 1897, the former whaling ship RV Belgica left Antwerp in Belgium and set sail due south. It was the first voyage of what would become known as the Heroic Age of Antarctic exploration. It did not go to plan.

Planetary Sciences Apr 9, 2024

Video: Total solar eclipse seen from space

A total solar eclipse swept across North America yesterday, blocking out the sun momentarily with parts of the continent plunged into darkness. Geostationary satellites orbiting 36,000 km away captured images of the rare ...

Environment Apr 9, 2024

Peregrine falcons expose lasting harms of flame retardant use

Peregrine falcon populations across North America are heavily contaminated with harmful flame retardants–including those that have been phased out for years—according to a new study published in Environmental Science ...

Earth Sciences Apr 8, 2024

Q&A: What to make of the earthquake that rattled the Northeast

The 4.8 magnitude earthquake that shook the Northeast on April 5 didn't seem to cause much damage, but it was enough to send tremors of concern through anyone who felt it. It's not that the region never experiences seismic ...

Space Exploration Apr 8, 2024

Totality insanity: Eclipse frenzy hits North America

Eclipse mania is sweeping across North America as a breathtaking celestial event on Monday promises a rare blend of commerce, science—and celebration.

Earth Sciences Apr 4, 2024

Africa's carbon sink capacity is shrinking

The population of Africa, the second-largest continent in the world, currently sits at about 1.4 billion, but is set to exceed 2 billion by 2040. This means greater swaths of land than ever before are being used for agriculture, ...

Plants & Animals Apr 3, 2024

How brown rats crawled off ships and conquered North American cities

Brown rats are the undisputed winners of the real rat race. New research suggests that they crawled off ships arriving in North America earlier than previously thought and out-competed rodent rivals—going on to infuriate ...

Plants & Animals Apr 2, 2024

Ancient trees help to protect an endangered species

The oldest trees in the forest help to prevent the disappearance of endangered species in the natural environment, according to a study led by the University of Barcelona. This is the case of the wolf lichen—threatened ...

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