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Fossil Footprints Show Movements of Our Early Ancestors
The trace fossils found in Tanzania spurred a debate about how early hominids lived
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Never Fear, an Oceanic Asteroid Impact Wouldn’t Cause Apocalyptic Tidal Waves
But it could have long-term effects on the climate
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Scientist Warns We’re Unprepared for a Comet Strike
NASA researcher Joseph Nuth proposes that we build and store two spacecraft to deal with potential comet or asteroid strikes
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Grab Your Sweaters: The Polar Vortex Is Back
The atmospheric phenomenon will pack a chilly one-two punch this week
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Prize-Winning Videos Capture Mesmerizing, Microscopic World
Everything looks cooler when it’s viewed through the lens of a microscope
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21st Century Cures Act Tackles Postpartum Depression
The new legislation includes grants to help diagnose and treat this prevalent issue
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New Rule Will Crack Down on Fraudulent Fish
The Seafood Import Monitoring Program will require fish to be traced from the ocean to the U.S. in an attempt to stop illegal seafood
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With just the right timing, stargazers could catch a few of the sparkling streaks
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Wisdom the Oldest Known Albatross Is Having Another Baby
Old age hasn’t slowed down the prolific bird
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Methane Levels Have Surged, and Scientists Don’t Know Why
As Earth heads toward climate crisis, the pressure is on to learn more about CH4
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Japan Testing “Space Tether” to Knock Junk Out of Orbit
The KITE experiment will use a half-mile long cable to guide some of the 500,000 chunks of space junk out of orbit
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U.S. Life Expectancy Drops for the First Time in 23 Years
While it only decreased by 0.1 percent overall, eight of the top ten causes of death all saw increases in 2015
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Giraffes Silently Slip Onto the Endangered Species List
Years of habitat destruction and poaching have reduced giraffe numbers by 30 percent, placing them in the vulnerable category for the first time
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America’s Only Known Jaguar May Not Be Alone Anymore
Perhaps “El Jefe” isn’t so lonely after all
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Someone Paid $46,000 for a Bunch of Mold
Its discovery was an accident, but this scientific sample changed the course of medicine forever
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Leaded Gas Was a Known Poison the Day It Was Invented
For most of the mid-twentieth century, lead gasoline was considered normal. But lead is a poison, and burning it has had dire consequences
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Check Out New Pictures of Saturn From Cassini’s Latest Orbit
New images of the ringed planet herald the spacecraft’s demise
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Thousands of Snow Geese Die at Abandoned Pit Mine
Despite attempts to scare them away, thousands of geese landed on the acidic Berkeley Pit, which is full of toxic heavy metals
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This 99-Million-Year-Old Dinosaur Tail Trapped in Amber Hints at Feather Evolution
The rare specimen provides new insights into how feathers came to be
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How a Goggle-Wearing Parrot Could Help Future Robots Fly
By flying through a haze and lasers, Obi the parrotlet helped researchers figure out how much lift birds produce
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