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Icy waters of 'Snowball Earth' may have spurred early organisms to grow bigger
early organisms Icy waters planet
2021/8/2
A new study from CU Boulder finds that hundreds of millions of years ago, small single-celled organisms may have evolved into larger multicellular life forms to better propel themselves through icy wa...
‘Less than 1% probability’ that Earth’s energy imbalance increase occurred naturally
Earth’s energy imbalance Sunlight climate systems
2021/8/2
Sunlight in, reflected and emitted energy out. That's the fundamental energy balance sheet for our planet -- and for decades, it has been out of balance. The extra energy manifests as higher temperatu...
Drought left 225 million trees dead in the U.S. Southwest in 2002. Nine years later, it killed 300 million trees in Texas. This past year, 12 million trees died in California.Drought left 225 million ...
Infographic:Earth Day at NSF
Earth Day NSF
2016/4/25
he National Science Foundation (NSF) supports research across all fields of science and engineering, from astronomy to zoology. Much of it has a role to play in helping us better understand -- ...
Geologists are letting the air out of a nagging mystery about the development of animal life on Earth.
Scientists have long speculated as to why animal species didn’t flourish sooner, once sufficient...
Earth to data: Making sense of environmental observations（图）
sense environmental observations Earth
2014/12/1
As with the proverbial canary in the coal mine, birds serve as an indicator of the health of our environment. Many common species have experienced significant population declines within the last 40 ye...
With the help of a tiny fragment of zircon extracted from a remote rock outcrop in Australia, the picture of how the planet became habitable to life about 4.4 billion years agcrust o is coming into sh...
NASA Hosts Media Briefings About Earth System Science Advances
NASA Media Briefings Earth System Science
2009/6/16
NASA will hold two media briefings to present new developments in research and benefits to society made possible by the Earth system science approach pioneered by the agency during the last 20 years. ...