Sometime this spring, NASA will make one of the biggest announcements in its history when it names the initial four-person crew for Artemis II, its flagship mission to return astronauts to the moon for the first time in 50 years.

Elon Musk's Twitter sparked an international outcry on Thursday by suspending a number of journalists at major news organizations who cover him.

In the Pentagon's first update since the establishment of its office to investigate unidentified flying objects, officials offered few answers but said there was nothing to suggest an otherworldly explanation for the hundreds of reports they had received.