Earthlings can see a green-tailed comet for first time in 50,000 years

The comet C/2022 E3 has a green tail. Photo by Dan Bartlett/NASA.

A comet with a green tail will be the most visible in tonight's sky. It last passed through our solar system 50,000 years ago.

The government has asked California and six other states to reach an agreement on drastic cuts for water use, or it would make the decision itself. Today is the deadline.

Starting May 11, the U.S. government will no longer fully pay for COVID testing, treatment, and vaccines for people who don’t have health insurance.

Since July, a new law has required the California Justice Department to investigate incidents where police fatally shoot someone. But in some cases, that’s not happening.

A new Frontline documentary explores why American presidents have declined to aggressively confront Vladimir Putin as he tried to rebuild the Soviet Union.