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As Ebola rages, Moderna and others are racing to develop an mRNA vaccine for the rare Bundibugyo virus driving the current outbreak

The first participant has been treated in a landmark clinical trial of cellular reprogramming, which aims to rejuvenate aging cells

Tungsten is a coveted for military uses. Restoring domestic supply could help with ongoing munitions shortages

Tungsten is a coveted metal for military uses. Restoring domestic supply could help with ongoing munitions shortages

Mathematicians have considered how to watch every corner of a space—but soccer adds moving players, blocked views and constant action

NASA's X-59 research aircraft reached its target speed and altitude for the first time on Friday

NASA’s X-59 research aircraft reached its target speed and altitude for the first time on Friday

A study finding that even one drink a day causes health risks was deliberately sidelined by the Trump administration, a former federal public health official alleges

Melting permafrost is releasing carbon into the atmosphere, but scientists may have underestimated just how bad the situation may be, a new analysis finds

The 24 alien books the Scientific American staff love, from The Hitchhiker’s Guide to the Galaxy to Contact and beyond