Within minutes of impact, debris began heating Earth’s atmosphere. Fine dust trapped that heat, potentially killing the dinosaurs quickly.
Within minutes of impact, debris began heating Earth’s atmosphere. Fine dust trapped that heat, potentially killing the dinosaurs quickly.
Can AI reason without words? A small model puts the idea to the test 
Meet the ‘fire amoeba,’ a record-breaking survivor of extreme heat 
‘Happy Snacking, Don’t Die!’ is a joyous guide to eating wild plants 
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 
Diplomacy is the way to address global challenges, Brazil tells General Assembly 
Trump defends military action against Iran, Venezuela, and calls for rebrand of AI 
Displacement on the rise in Yemen as fighting continues 
Guterres: ‘Cracks have become canyons’ as world faces four tests of power