Willis family announced Thursday that his previous diagnosis of aphasia has progressed to frontotemporal dementia. The disease can cause issues with speaking and writing.
The speaker led an all Republican delegation to Arizona's border with Mexico to highlight what he sees as problems in the region where border communities are facing strained demands.
In remarks Thursday, President Biden said the three aerial objects shot down by U.S. military were most likely tied to private companies, recreation or research institutions.
Scientists got their first up-close look at what's eating away part of Antarctica's Thwaites ice shelf, nicknamed the Doomsday Glacier because of its massive melt and sea rise potential.
The Titanic's rust-caked bow, an officer's cabin and a promenade window are part of the never-before-seen footage of the shipwreck site, which continues to slowly vanish 12,500 feet below the waves.