Rare earth metals are making headlines as demand rises for products from smartphones to wind turbines, and as governments ...

Doctors were preparing the patient for hospice, having tried every available treatment for his rare lymph node disorder, Castleman disease, which causes extreme swelling that can lead to organ failure ...

Trees fused together in an “H” shape, with a single huge branch between them, are extremely rare, Wyoming tree experts say — ...

Lanthanum and cerium are among the most common rare earth metals. Lanthanum is used in camera lenses and lighting. Cerium is used in catalytic converters, which reduce combustion engine emissions.

Lanthanum and cerium are among the most common rare earth metals. Lanthanum is used in camera lenses and lighting. Cerium is used in catalytic converters, which reduce combustion engine emissions.

Rare earth metals are making headlines as demand rises for products from smartphones to wind turbines, and as governments seek secure supply.