A step-by-step look at solving the world’s first Edison lamp puzzle, exploring its clever design, mechanics, and what makes it a unique challenge. Trump threatens to halt federal money next month not ...

President Donald Trump’s sprawling new East Wing ballroom project has attracted widespread controversy — but promises to solve a problem identified by first families and their social secretaries on ...

Consider the marvelous physics of the human knee. The largest hinge joint in the body, it has two rounded bones held together ...

Order doesn’t always form perfectly—and those imperfections can be surprisingly powerful. In materials like liquid crystals, ...

Add Yahoo as a preferred source to see more of our stories on Google. During Monday’s installment of the show, Dokoupil wrapped up a segment on Venezuela by suggesting it serves U.S. interests if it ...

CBS Evening News anchor Tony Dokoupil ran into some issues during his first regular broadcast of the program on Monday. During Monday’s installment of the show, Dokoupil wrapped up a segment on ...

Elon Musk's xAI faced backlash for recent Grok chatbot posts of artificial intelligence-generated sexualized images of children on X. The company responded to a request for comment with an autoreply: ...

New “CBS Evening News” anchor Tony Dokoupil experienced an on-air mishap during his official debut broadcast Monday, mixing up a segment transition and ...

A seven-million-year-old skull found in Chad sits at the center of a long argument about human origins. The species, Sahelanthropus tchadensis, was announced in the early 2000s as a possible early ...