By early March, most Americans were aware of the strange infectious virus spreading overseas. But for many it remained remote, foreign, vague — we were still going into offices and sending children to school and living life generally as we had before.
First radio waves seen from an exoplanet hint at otherworldly auroras 
MRIs show brain changes linked to Alzheimer’s years in advance 
Surviving the summer 
Will the U.S. megadrought ever end? 
This ‘anti-vampiric’ grave used two strategies to stop the undead 
What’s behind ‘one of paleontology’s most enduring enigmas’? 
‘We are not powerless’: UN chief urges world leaders to invest in peace 
‘Nowhere is safe’: UN experts detail Ukraine war’s toll and Russia’s reach beyond its borders 
Why climate action now comes down to speed, finance and cooperation 
UN panel calls for stronger safeguards as AI agents advance