Humble oxygen is more than just a building block of life. The element could also help scientists sneak a peek into the innards of planets…
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Tiny “living machines” made of frog cells can replicate themselves, making copies that can then go on to do the same. This newly described form…
Hopes for an easy pill that could combat COVID-19 before people land in the hospital have dimmed a bit. New data about an antiviral pill…
Five to 11-year-olds are a step closer to being eligible for a COVID-19 vaccine in the United States. Federal health officials are expected to sign…
Neat rings, stripes and swirls embellish many cold, rocky landscapes. Although these beautiful stone patterns look like humanmade artwork, they’re all natural. Scientists have long…
For the first time, a spacecraft is headed to Jupiter’s odd Trojan asteroids. What Lucy finds there could provide a fresh peek into the history…
Juan Negro crouched in the shadows just outside a cave, wearing his headlamp. For a brief moment, he wasn’t an ornithologist at the Spanish National…
Ancient Arctic communities traded with the outside world as early as 7,000 years ago, DNA from the remains of Siberian dogs suggests. Analysis of…
Elevated blood levels of a specific protein may help scientists predict who has a better chance of bouncing back from a traumatic brain injury. The…
Footprints left behind by prehistoric people may be some of the strongest evidence yet that humans arrived in the Americas earlier than previously thought. …