Login
What’s to blame for Canada’s wildfires?
The inferno that sent toxic smoke billowing toward the United States won't be the last. Officials are now battling both the wildfires and misinformation.
Reading view
Struggling with a hard life choice? AI future selves have tips
A chat with aged avatars of future selves can guide people paralyzed by tough decisions. The question is what information to feed the bots.
What kinds of black holes exist — and how are they different?
Scientists have identified four types of black holes, classified mostly by their masses. But these mysterious objects continue to challenge our understanding of the universe.
Different moon rocks tell different tales about a long-ago bombardment
Prior moon rock samples, including from Apollo, seem heavily influenced by one impact. The farside samples tweak the story.
The golden age of language was a few thousand years ago
A few millennia ago, people worldwide may have spoken or signed up to 10 times as many languages as they do today.
Watch an orca ram into a sunfish so hard it explodes
This strategy expands orcas’ already broad repertoire for dispatching different types of prey.
A newly found world blurs the boundary between planet and moon
The object orbits a brown dwarf that orbits a star, and astronomers aren’t sure if it’s a planet, a moon — or something else entirely.
A rare 3-D snake fossil is spilling secrets of its unusual lifestyle
A new snake’s unique head anatomy suggests early snakes were even more diverse than thought. This one was a rare burrower.
Measles cases in the U.S. hit a new 34-year high
The U.S. hasn't seen measles numbers like this since 1992. An epidemiologist explains what's driving the surge.
This humpback whale hunting strategy has been out of sight — until now
Scientists documented humpback whales hunting together at the seafloor, coordinating their arrival to scoop up sand lances.
Ape cuddles could prevent conflicts
Humans could learn from chimpanzees and bonobos, who turn to group members for physical comfort during tense moments.
Deep-sea snails ride surface currents to reach distant hydrothermal vents
The finding shows how life spreads between isolated deep-sea vents — and how closely those ecosystems are tied to the sunlit ocean.
An experimental oral vaccine may prevent invasive bacterial diarrhea
Shigella causes about 450,000 U.S. infections each year. An experimental oral vaccine protected adults in a small human trial.
Pompeii’s survivors shine in a new documentary series
Hosted by actor Tom Hiddleston, Pompeii: Out of Time mixes facts and fiction to bring three real ancient Romans to life.
AI ‘ghosts’ can comfort mourners — even when the bots get the facts wrong
A small study suggests emotional fit, not perfect accuracy, may make chatbot versions of dead loved ones feel real.
In painted caves, ancient human DNA clings to the walls
Scientists recovered ancient human DNA from cave walls for the first time. Refined, the method could help link prehistoric paintings to their makers.
