Two CubeSats, part of a constellation built and operated by Planet Labs Inc. to take images of Earth, were launched from the International Space Station on May 17, 2016. NASA

Hackers could shut down satellites – or turn them into weapons

SpaceX and other companies are rushing to put thousands of small, inexpensive satellites in orbit, but pressure to keep costs low and a lack of regulation leave those satellites vulnerable to hackers.
The lawsuit filed by New York Attorney General Letitia James and 13 colleagues was the last roadblock to the merger. Drew Angerer/Getty Images

How the T-Mobile-Sprint merger will increase inequality

The T-Mobile-Sprint merger is the latest example of weakened enforcement of antitrust laws, which reduces competition and exacerbates already-record levels of inequality.
Couples get romantic on Qixi, a lovers’ festival similar to Valentine’s Day. Visual China Group via Getty Images

How China does Valentine’s Day

China's Qixi Festival is a celebration of love based on the legend of a mortal who married a goddess, causing his furious mother-in-law to create a Milky Way to divide these two twinkling stars.
A police officer in Beijing adjusts his face mask, which millions in China are using in hopes of preventing coronavirus infection, on Feb. 9, 2020. The virus is causing major disruptions. AP Photo/Andy Wong

The silent threat of the coronavirus: America’s dependence on Chinese pharmaceuticals

While US residents may feel safe from the effects of the coronavirus, the aftershocks could be damaging in unexpected ways. The disruption to China's supply chain could cause drug shortages.
The Rim Fire burned 256,000 acres of the Stanislaus National Forest and Yosemite National Park in 2013. (USDA Forest Service, Chris Stewart)

Buried in mud: Wildfires threaten North American water supplies

Wildfires reduce the reliability of city water supplies in North America. But active forest management provides a key to the solution.

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  5. Hackers could shut down satellites – or turn them into weapons

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