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Mars Has Metal in Its Atmosphere
Metallic ions have a permanent presence in the red planet’s atmosphere—kind of like on Earth
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Scientists Capture Beautiful, Explosive Collision of Young Stars
The high-resolution images could hold clues about the early stages of star formation
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Take a Peek at the Auroras on Uranus
This composite image gives the best view yet of the seventh planet’s atmospheric lights and ring
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Scientists Think Comb Jellies May Have Come Before All Other Animals
Sorry, sponges—there’s a new oldest ancestor in town
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Orcas Are Killed in Front of Tourists, Now Caribbean Nation Wrangles With Whaling Laws
The prime minister of St. Vincent will introduce legislation to outlaw orca hunting
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13,000-Year-Old Fillings Were “Drilled” With Stone and Packed With Tar
You can’t handle the tooth
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Huge New Spider Species Discovered in Mexican Cave
Califorctenus cacachilensis is the width of a softball and represents a new genus of arachnids
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New Survey Estimates Earth Has 60,065 Tree Species
Researchers from Botanic Gardens Conservation International compiled the list, finding that at least 10,000 tree species are at risk of extinction
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The Eighteenth-Century Founder of Homeopathy Said His Treatments Were Better Than Bloodletting
Samuel Hahnemann was trying to fix the unscientific field of medicine
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New Study Fleshes Out the Nutritional Value of Human Meat
The caloric value of the human body is surprisingly low compared to other prehistoric food options
Hubble Snags Splendid Snapshot of Jupiter
The perfect photographic conditions make for a grand view of the gas giant
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Atmosphere Detected Around an Earth(ish)-Sized Planet
Just 39 light years away, GJ 1132b is 1.4 times the Earth’s radius and has an atmosphere that may be composed of steam or methane
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The Quest to Better Describe the Scent of Old Books
Describing a unique smell just got easier thanks to a pair of olfactory detectives
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South Africa to Legalize Domestic Rhino Horn Trade
A court ruling overturns a 2009 ban, a move that conservationists worry will increase poaching
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Why Do So Many Hollywood Villains Have Skin Conditions?
A new study cautions that the scars and warts that afflict many movie villains could contribute to social stigmas
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Coal-Fueled Power Plants Linked to Lower Birth Weights in Tennessee Valley
When nuclear power plants pressed pause, coal stepped in—and birth weights began to decline
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Web-Slinging Snails Discovered on Sunken Ship
Scientists worry that their presence spells trouble for threatened coral reefs
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How Caribou Baby Monitors Could Save a Dying Species
Scientists hope camera collars with GPS will unravel a deadly mystery
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