After sustaining severe damage from a broken cable, the famed Arecibo Observatory telescope in Puerto Rico has collapsed. CBSN’s Anne-Marie Green and Vladimir Duthiers have more. Source

As Congress returns from recess, Democrats and Republicans remain far apart on a new COVID-19 relief package. Many federal aid programs are set to expire at the end of December. CBS News chief congressional correspondent Nancy Cordes joined “CBSN AM” with the latest. Source

St. Louis-based C2N Diagnostics has released a blood test that it says can detect Alzheimer’s disease. The test is not yet FDA approved, and is not covered by insurance, costing up to $1,250. Northwell Health internal medicine specialist Dr. Karen Abrashkin joins CBSN’s Anne-Marie Green to talk about the latest development in the fight against Alzheimer’s, which affects nearly 6 million Americans. Source

If successful, the Chang’e 5 mission will make China only the third nation to bring moon rocks back to Earth. Source

As U.S. infections rise, public health experts are urging consumers to limit their physical presence in stores. Source

Despite Ethiopian Prime Minister Abiy Ahmed’s declaration of victory two days ago, the defiant leader of Tigray, Debretsion Gebremichael, said fighting continues on all fronts and called on Abiy to withdraw troops from the region. Also, the Chinese Embassy in Australia said politicians misread a tweet showing a digitally altered image of an Australian soldier holding a bloody knife to the throat of an Afghan child, and the U.N. said the coronavirus pandemic fueled a 40% increase in the number of people needing humanitarian assistance. CBS News foreign correspondent Debora Patta joined “CBSN AM” from Johannesburg with a look at these global headlines. Source

A bipartisan group of senators is working on a new COVID-19 relief package, as key assistance programs are set to expire at the end of the month. CBS News chief congressional correspondent Nancy Cordes joined CBSN with the latest. Source

The Tennessee Titans return home this week to face the Cleveland Browns in a battle of AFC playoff hopefuls with identical 8-3 records. Kickoff at Nissan Stadium is scheduled for noon CST on Sunday, Dec. 6. Source

The Tennessee Titans return home this week to face the Cleveland Browns in a battle of AFC playoff hopefuls with identical 8-3 records. Kickoff at Nissan Stadium is scheduled for noon CST on Sunday, Dec. 6. Source

Director Ron Howard and author J.D. Vance join “CBS This Morning” to discuss the new Netflix film “Hillbilly Elegy,” based on Vance’s best-selling memoir. Source