Science news this week: A human population isolated for 100,000 years, the biggest spinning structure in the universe, and a pit full of skulls

Science news this week: A human population isolated for 100,000 years, the biggest spinning structure in the universe, and a pit full of skulls

Dec. 5, 2025: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.

18000 dinosaur tracks discovered along ancient Bolivian coastline - and they set a new record

With the discovery, Carreras Pampa in Bolivia has become one of the premier dinosaur track sites in the world.Researchers have counted 16,600 fossilized dinosaur footprints and 1,378 swim tracks at a site in Bolivia that showcase a variety of behaviors and different theropods from the Cretaceous period.Scientists have discovered a record-breaking number of fossilized dinosaur footprints and swim tracks in a national park in central Bolivia.The t…