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Laser tracking hones in on dangerous space debris.

Rubble Trouble

Laser tracking hones in on dangerous space debris.

Feature Article

Dec. 28, 2020

Many locations north of the equator, such as Guyana, tend to receive more rain than locations in the southern tropics. (Courtesy T. Rampersad)

Rooting Out Rainfall

Polar water fuels off-kilter rainfall in the tropics.

Feature Article

Dec. 28, 2020

This photograph, taken at dawn in August 2006, shows an oil refinery in Corpus Christi, Texas.

Regional Pollution Goes Local

Distant pollution sources worsen local air quality in southeastern Texas.

Feature Article

Dec. 28, 2020

New York City shines brighter than any other U.S. city at night.

Prosperity Shining

Money lights up the sky at night.

Feature Article

Dec. 28, 2020

In this image from the NASA Aqua satellite, a swirling phytoplankton bloom becomes visible from space when warm waters from the Kuroshio Current collide with the frigid waters of the Oyashio Current off the eastern coast of Japan.

Probing the Black Current

Satellites and ocean bottom instruments tell similar stories.

Feature Article

Dec. 28, 2020

Beijing’s traffic volume leads to high levels of pollution, as well as difficulty navigating clogged streets.

Pollution Trials for the Beijing Olympics

Satellites reveal that traffic restrictions successfully reduced atmospheric nitric oxide by 40 percent.

Feature Article

Dec. 28, 2020

Invasive tamarisk trees like this one continue to gain footholds in the West, changing habitats and pushing out native species.

Pinpointing an Invasive Plant's Next Move

Vegetation data helps researchers and resource managers develop a new approach to stopping species invasions.

Feature Article

Dec. 28, 2020

Long-spined sea urchins nest on a depleted kelp bed off the coast of eastern Tasmania.

Pedestrians of Eddy Avenue

Rotating blobs of ocean water may be key to sustaining fisheries.

Feature Article

Dec. 28, 2020

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