As part of their "What If?" series, Randall Munroe of xkcd and Henry Reich of MinutePhysics answered "What happens if the sun ...

Create an account or log in to save stories. A strong solar storm headed to Earth could produce colorful aurora displays across more U.S. states than usual. The sun earlier this week burped out ...

A lunar eclipse, which causes the moon to look dark or dimmed, occurs when Earth is between the sun and moon and the three celestial objects line up in a row so that the moon passes into our ...

Good Tuesday morning! Waking up to more cloud cover on this Earth Day with temperatures on the mild side with readings in the mid to low 60s. Expect the day ahead to ...

NEW YORK — A strong solar storm headed to Earth could produce colorful aurora displays across more U.S. states than usual Tuesday night. The sun earlier this week burped out huge bursts of ...