NATO foreign ministers meeting in Oslo on Thursday will try to narrow divisions on Ukraine's push to join, upping spending and finding a new alliance chief, ahead of a July summit. Russia's war on Ukraine has galvanized the Western military alliance set up almost 75 years ago to face off against the Soviet Union. But with just a month until a meeting of leaders in Lithuania's capital Vilnius there are splits on key issues.

SEE THE FINAL STICKING POINTS IN UKRAINE JOINING NATO

Amazon on Wednesday agreed to pay $30.8 million to settle Ring and Alexa privacy complaints filed by US regulators, including accusations that employees spied on female customers. The FTC said Ring failed to protect users from hackers or employees from accessing customers' devices. Amazon also settled FTC accusations that children's voice recordings captured by Alexa smart speakers were kept, not deleted.

SEE HOW RING, ALEXA WERE USED TO SPY ON CUSTOMERS

NASA's first public meeting on "unidentified anomalous phenomena" -- more commonly called UFOs -- called for a more rigorous scientific approach to clarify the origin of hundreds of mysterious sightings. NASA announced last year it was analyzing observations in the sky that can't be identified as aerial or natural phenomena, a topic that has long fascinated the public but was shunned by mainstream science.

A LOOK BEHIND THE SCENES AT NASA'S UFO INVESTIGATION

Who coined the term "UFO"? In what project was it first introduced?

Wednesday's answer: NASA astronaut Peggy Whitson, 63, holds the U.S. record for the most time spent in orbit, logging 665 days in space.