Weighted infant sleepwear is meant to help babies rest better. Critics say it's risky Parents are increasingly turning to weighted sleepwear to help lull their babies to sleep, but a growing number of doctors and safe sleep advocates warn it comes with risks that shouldn't be ignored. Joe Hernandez
U.S., European heat waves 'virtually impossible' without climate change, study finds Punishing heat waves have gripped America, Asia and Europe this July. A new study finds human-caused climate change is a major reason why. Nathan Rott
Look up! The Perseid Meteor Shower is back The Perseid Meteor Shower is here, and through late August people in the northern hemisphere will be able to see 60 to 80 meteors every hour at its peak. No special equipment needed, just a dark sky! Michel Martin
This fossil of a mammal biting a dinosaur captures a death battle's final moments A 125-million-year-old fossil from the early Cretaceous shows the skeletons of a smaller mammal biting a larger horned dinosaur, suggesting a much more complex ancient food web. Ari Daniel
The northern lights are coming to several states this week. Here's how to see them This week's geomagnetic storm will bring the aurora borealis further south. The Space Weather Prediction Center says the best time to view the aurora borealis is between 10 p.m. and 2 a.m. local time. Ayana Archie
The world is officially 'free' of chemical weapons. Here's what that means The U.S. has destroyed the last of its stockpile of sarin nerve agent, fulfilling a decades-old obligation. Geoff Brumfiel
Years before implosion, experts warned OceanGate CEO and federal government about submersible's dangers Hans Anderson
Researchers found a rare octopus nursery off the coast of Costa Rica It's only the world's third known octopus nursery. The research team may have also discovered a new species of Muusoctopus, a genus of small to medium sized octopus that lacks an ink sack. Joe Hernandez
This week in science: gravitational waves, nature-inspired robots and Orca attacks Hosts of NPR's science podcast Short Wave talk about newly-discovered gravitational waves, a robot designed with inspiration from nature and why Orcas might be attacking boats near the European coast. Regina G. Barber
Our own Milky Way is sending out neutrinos, the so-called 'ghost particles' Scientists have detected these strange particles from outer space before, but this is the first time they've caught cosmic neutrinos from our own Milky Way Nell Greenfieldboyce