The U.S. is under its first federal government shutdown in nearly seven years after Senate Democrats rejected a Republican-backed bill to keep funding the government. Dig deeper: Government funding ...

A mysterious visitor from another star system is currently flying through our cosmic neighborhood, and scientists are keeping a close eye on it. The recently discovered comet is unlike anything we ...

"If our solar system is indeed moving this fast, we need to question fundamental assumptions about the large-scale structure of the universe." When you purchase through links on our site, we may earn ...