Canadian Wildfires Send Harmful Smoke Across Eastern United States
At least 20 states were air quality alerts this week, and in some places, air quality reached unhealthy levels for all groups
Scientists Develop New Birth Control for Female Cats—No Surgery Necessary
The one-time injection of a gene therapy could eventually be used to control cat populations
Ancient Human Relatives May Have Buried Their Dead
Remains in a South African cave system predate the oldest known human burials by about 160,000 years or more
Sick Workers Connected to 41 Percent of Food Poisoning Outbreaks, CDC Reports
Paid sick leave policies could reduce the risk of spreading disease, notes the agency
4,000-Year-Old DNA Is the Oldest Evidence of Plague in Britain
Scientists found DNA of the plague-causing bacteria in the teeth of three Bronze Age people buried at two different sites
Scientists Create 'Synthetic Embryos' From Monkey Cells
By studying lab-grown stem cells, scientists hope to shed light on miscarriages and birth defects
This New Device Generates Electricity From Thin Air
Nearly any material covered with tiny holes can derive energy from humidity, per a new study, opening doors to more sustainable power
Sand Dune Features Hint at 'Recent' Water Flow on Mars
Between 1.4 million and 400,000 years ago, liquid salt water may have made cracks and crusts near the Martian equator, per data from China's Zhurong rover
Paralyzed Man Walks Again With Brain and Spinal Cord Implants
The experimental technology translates the patient's thoughts into voluntary movements
DNA Suggests Modern Humans Emerged From Several Groups in Africa, Not One
Scientists used computer modeling and the genomes of several hundred living people to examine our prehistoric origins
States Propose Landmark Deal to Conserve the Colorado River
The water cuts suggested by California, Arizona and Nevada are not as ambitious as those proposed by the federal government, but they will buy time
New York City Is Sinking Under the Weight of Its Skyscrapers, Study Finds
As the city, and others like it, slowly subsides, it becomes more vulnerable to flooding driven by climate change
Common Chemical Strongly Linked to Parkinson's
Service members stationed at Camp Lejeune, where water was contaminated, had a 70 percent greater risk of developing the movement disorder, new study finds
Archaeologists Discover the Oldest Known Blueprints
The Stone Age engravings are to-scale depictions of desert kites, massive stone structures used by hunters to capture animals
Possible Antidote to World's Deadliest Mushroom Discovered
A dye used in medical imaging appeared to make the death cap's toxin less fatal to mice in a new study
A Man's Rare Genetic Mutation May Have Prevented Alzheimer's for Decades
Scientists hope the findings could lead to treatments for the memory-destroying disease
Saturn May Have Just Won the 'Moon Race' With 62 More Discovered
It will likely reign supreme as our solar system's planet with the most moons from now on, astronomers say
14,000 Inactive Oil and Gas Wells Are Unplugged in the Gulf of Mexico
Capping these potential sources of methane could cost $30 billion. But targeting wells in shallow waters would have the highest impact, a new study finds
A Skin Patch Could Help Allergic Toddlers Tolerate Peanuts
Some young children with allergies could eat low doses of peanuts without a severe reaction after wearing the patch for a year in a clinical trial
Researchers Reveal the 'Pangenome,' a More Diverse Look at Human DNA
The new version of the human genome could lead to better diagnostics and treatment of genetic diseases
