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As the days get shorter and chillier in the northe

Accurate phylogenetic trees are fundamental to evo

The passenger pigeon. The Tasmanian tiger.

By not going into the office, an at-home worker 

The personal details of thousands of U.K.

The PACE spacecraft completed a vital month-long

Alongside today’s release of its flagship iPhone

Two new studies find that regulations aimed at imp

Firefly’s Reaver rocket engine can gener

Have you ever tried to do a brainteaser in which y