How space storms miscue train signals

In July 1982, train signals in Sweden misfired and erroneously turned red. The culprit, believe it or not, was a space storm that started 150 million kilometers (93 million miles) away.

New land creation on waterfronts is increasing, study finds

Humans are artificially expanding cities' coastlines by extending industrial ports and creating luxury residential waterfronts. Developers have added over 2,350 square kilometers of land (900 square miles, or about 40 Manhattans) ...

China's Lunar New Year exodus cools major cities, study shows

During the week-long Chinese New Year, also known as the Lunar New Year, work is suspended, businesses close and nearly 300 million people leave cities to join their families in rural areas for traditional gatherings. The ...

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