Friday marked five years since a suburban hospital announced it was treating the first confirmed COVID-19 patient in Illinois ...

Costco is pushing back on a shareholder proposal that urges the wholesale club operator to conduct an evaluation of any ...

Another display of the northern lights could be visible this weekend in several U.S. states following a severe solar storm.

Astronomers have detected fast-repeating radio bursts from a distant "dead" galaxy that should not contain the energy to produce these types of signals.