Fire-making materials at 400,000-year-old site are the oldest evidence of humans making fire Archaeologists in Britain say they've found the earliest evidence of humans making fires anywhere in the world. The discovery moves our understanding of when humans started making fire back by 350,000 years. Nathan Rott
Oldest evidence of human fire-making unearthed in Britain A new study suggests humans were deliberately starting and using fires more than 400,000 years ago. Nathan Rott
What to know about death cap mushrooms, blamed for poisonings in California Death cap mushrooms look harmless, but are responsible for the majority of the world's mushroom-related deaths. California officials say 21 people have been sickened in recent weeks, one fatally. Rachel Treisman
How many species are on Earth? There are roughly 2.5 million known species on the planet, but scientists estimate that's only a fraction of the biodiversity on Earth. A new study shows we're finding new species like never before. Nathan Rott
Light from satellites will ruin majority of some space telescope images, study says Astronomers have long been concerned about reflections from satellites showing up in images taken by telescopes and other scientific instruments. Chandelis Duster
Elephant seals remember their enemies Elephant seals don't forget their enemies. We learn about the great beasts' big beefs and why they matter. Vincent Acovino
This High Arctic rhino may change what we know about ancient animal migrations A 23-million-year-old rhinoceros fossil is reshaping scientists' understanding of mammal evolution. Aru Nair
Your glitchy video calls may make people mistrust you Brief glitches in video calls may seem like no big deal, but new research shows they can have a negative effect on how a person is perceived by the viewer. Nell Greenfieldboyce
Martian dust devils generate sparks Dust swirling around on Mars can generate electrical activity that's like bursts of mini-lightning.
A bright spot for turtles: Olive ridleys are recovering in India, but still at risk India's olive ridley turtle numbers appear to have rebounded after years of patchwork efforts to stem their decline. Can it last? Diaa Hadid