Imaging and chemical analysis of a 115-million-year-old dinosaur fossil points to blood cells. But some aren’t convinced.
Imaging and chemical analysis of a 115-million-year-old dinosaur fossil points to blood cells. But some aren’t convinced.
This armored amphibian once lived and hunted on the seafloor 
How octopuses squeeze through tiny openings, step by step 
Record-low temperature created on China’s space station 
Little Ice Age cooling in Europe may have raised the risk of rickets 
Earwax’s surprisingly slippery but sticky properties deters insects 
Food contains thousands of overlooked chemicals. This physicist is mapping them 
This may be the best evidence yet that dinosaur blood can fossilize 
Kenya’s Civil Society Calls on COP31 Climate Negotiators To Draw From Grassroots 
Abyei: Deadly drone strikes mark ‘new and concerning’ threat, UN peacekeeping chief warns