/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/a5/f9/a5f992d3-1683-4969-9776-daee6a5cb03b/invader_iss.jpg)
There’s an Invader in the International Space Station
An Invader mosaic has found its way to space
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Did the Age of Humans Begin in 1610?
Debate over when the Anthropocene began is starting to narrow in on a few dates — 1610, when the Old World met the New, is one promising candidate
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Adorable Monkey New to Science Identified in Threatened Rainforest
Researchers in the Brazilian rainforest describe a previously undocumented species of titi monkey whose habitat faces man-made threats
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A Hint That a Saturnian Moon Could Have Hydrothermal Vents—And Support Life
Grains of silica from Saturn’s magnetosphere likely came from Enceladus and may mean the moon has hydrothermal vents
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Scary Lobster-Like Fossil Was Once One of the Earth’s Largest Animals
One of the earliest arthropods was giant, weird-looking—and played a big role in the course of evolutionary history
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This is How Earth Welcomed Back Soyuz
Not a bad re-entry after months on the International Space Station
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The Desire to Conform Starts In Toddlers
Apes don’t have this problem — if they know the answer to a puzzle, they’ll do it, regardless of what their friends might think
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1,800 Studies Later, Scientists Conclude Homeopathy Doesn’t Work
A major Australian study debunks homeopathy—again
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The Galaxy May Be Way Bigger Than We Thought
New data analysis suggests that the Milky Way may be 50-percent larger than previously believed
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How the Sugar Industry Influenced Dental Research
Newly uncovered “sugar papers” reveal that the sugar lobby played a major role in 1970s dental public health policies
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We Finally Know How Chameleons Change Their Color
Chameleons’ secret involves tiny crystals under their skin
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Our Brains Hate Waiting So We Sped Up Everything Else
Sidewalk rage, road rage and anger at slow-loading web pages are all part of our evolutionary inheritance
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One of the Oldest Known Animals Is This Tiny, Ancient Sponge
A new fossil find pushes back the start of the evolution of multicellular animals
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Catch a Glimpse of the Zodiacal Light Show This Month
For some in the northern hemisphere, a celestial treat sometimes referred to as “false dusk” is lighting up the night
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China’s Smog Might Be to Blame for the East Coast’s Rough Winter
A NASA visualization shows how particles from East Asia can swirl into Pacific storms—a source of precipitation for the U.S.
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The Loud Noise of Melting Glaciers May Actually Be Good for Animals
Melting glacier ice has been found to the loudest noise in the ocean—what does that mean for marine animals?
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These Moths Remember Where They Mated for the First Time
The locale of the African cotton leafworm moth’s first experience pairing up forms its future preferences, a new study shows
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Centuries of Poison-Laced Water Gave These People a Tolerance to Arsenic
Some citizens of a remote village in the Andes have a genetic adaptation that allows them to quickly process high levels of arsenic, a new study shows
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Gear Up for a Scorcher of a Year: El Niño Has Officially Arrived
It’s later than usual and weak, but definitely here
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