EARTH

Fjords—small in size and number—are significant carbon reservoirs

EARTH
If you're worried about escalating human-induced climate change, consider adding fjords to your thank-you list during this season of gratitude. Fjords are long, deep arms...

Looking back from beyond the moon: How views from space have changed the way we see Earth

ASTRONOMY
A photograph taken by NASA's Orion spacecraft has given us a new perspective on our home planet. The snap was taken during the Artemis I...

NASA scientists map global salt marsh losses and their carbon impact

EARTH
According to a new NASA-led study, the world has lost 561 square miles (1,453 square kilometers) of salt marshes over the past 20 years....

Assessing El Niño ‘flavors’ to unravel past variability, future impact

EARTH
As with many natural phenomena, scientists look to past climate to understand what may lie ahead as Earth warms. By assessing so-called 'flavors' of...

An ocean inside Earth? Water hundreds of kilometers down

EARTH
The transition zone (TZ) is the name given to the boundary layer that separates the Earth's upper mantle and the lower mantle. It is...

How magnetism could help explain Earth’s formation

EARTH
There are several theories about how the Earth and the Moon were formed, most involving a giant impact. They vary from a model where...

Mapping the chemistry of the Earth’s mantle

EARTH
The Earth's mantle makes up about 85% of the Earth's volume and is made of solid rock. But exactly what rock types is the...

Scientists say land is being created at one of two sites on Louisiana’s coast

EARTH
Supporters of the large-scale Mississippi River sediment diversions currently being planned by the Louisiana Coastal Protection and Restoration Authority got a boost to their...

Where did the Earth’s oxygen come from? New study hints at an unexpected source

EARTH
The amount of oxygen in the Earth's atmosphere makes it a habitable planet. Twenty-one percent of the atmosphere consists of this life-giving element. But in...

How satellites, radar and drones are tracking meteorites and aiding Earth’s asteroid defense

EARTH
On July 31, 2013 a constellation of US defense satellites saw a streak of light over South Australia as a rock from outer space...

Scientists discover southward migration of Arctic Ocean species during the last glacial period

EARTH
In order to survive, a species must find the most favorable habitat to pass on its genes. Therefore, learning how species migrated with climate...

New pterosaur species found in sub-Saharan Africa

EARTH
With wings spanning nearly 16 feet, a new species of pterosaurs has been identified from the Atlantic coast of Angola. An international team, including two...
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