Briny Underground Lakes May Be All That Remain of Martian Ocean
New data confirm the 2018 discovery of a lake under Mars’ south pole and point to three smaller water features around it
Deadly Spiders Evolved Venom to Safely Search for Love
Male funnel-web spiders evolved deadly venom to protect themselves from vertebrate predators when they leave the safety of their burrows to find a mate
Invasive Pest Threatens Future of North American Ash Trees
A new study shows that ash tree populations are not growing fast enough to replace the trees killed by ash borer larvae
Millennia-Old Cookware May Be the Key to Recreating Ancient Cuisine
A year-long experiment’s ingredients, tools and cleaning techniques imitated early culinary practices as closely as possible
How Venomous Australian Stinging Trees Cause So Much Pain
The trees may look fuzzy, but they’re covered in tiny needles that can cause months of pain
Undersea Earthquakes May Help Us Take the Ocean’s Temperature
The technique could allow for more accurate and comprehensive monitoring of the world’s warming oceans and track climate change
Scientists Discover Oldest Sperm Yet Preserved in Amber
The longest sperm in the sample is one-third the body length of the creature that produced it
Fingerprint Analysis Reveals New Insights on Prehistoric Rock Art’s Creators
Study suggests an adult man and a juvenile girl crafted the red ocher paintings seen at Spain’s Los Machos rock shelter
Is This Ancient Map of the Cosmos Younger Than Previously Thought?
A controversial new analysis of the Nebra Sky Disc suggests the artifact dates to the Iron Age, not the Bronze Age
Drone Imaging Reveals Pre-Hispanic ‘Great Settlement’ Beneath Kansas Ranch
The 164-foot-wide earthwork is the sixth ancestral Wichita “council circle” discovered in the region
Did an Earthquake Topple This Ancient Canaanite Palace?
Excavations at Tel Kabri in Israel revealed physical evidence of a natural disaster
Mapping Technology Reveals Channels of Warm Water Under Florida-Sized Glacier
The new research will inform computer models of how quickly the glacier is melting
Hummingbirds in the Andes Go to Chilly Extremes for a Good Night’s Sleep
The longer a bird spent in a state of torpor, the less body mass it lost overnight
Parasitic Plant Waits for Host’s Signal Before Flowering
Dodders grow into tangled masses of leafless tendrils also called wizard’s net and strangleweed
Face Shields and Valved Masks Don’t Fully Stop the Spread of Aerosols
A new visualization shows how droplets from a cough or sneeze escape around the sides of a plastic face shield
World’s Deepest Freshwater Cave Is Twice as Deep as Previously Thought
New research shows the Hranice Abyss in the Czech Republic is 3,280 feet deep
Scientists Map Stonehenge’s Soundscape
Study of small-scale model sheds light on how conversation, music moved through the massive monument
A Mini Version of Britain’s Royal Hedge Maze Is No Match for Amoebas
The study demonstrates how cells navigate the human body to provide immunity or carry messages
Why This ‘Unicorn Baby Dinosaur’ Is the ‘Cutest,’ ‘Weirdest’ Ever
The tiny sauropod had a horn on its snout and forward-facing eyes, unlike its adult counterparts
What Ancient Sculptures Reveal About Universal Facial Expressions
New research suggests displays of emotion may transcend time and culture
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