Space
The biggest discoveries of Voyagers — NASA’s most distant explorers
Voyager 1 and 2 left Earth in 1977 to fly by the outer planets. Nearly 50 years later, these spacecraft are still transforming our knowledge of space.
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Word of the Week
Brain
Scientists Say: Aphantasia
Not everyone has a “mind’s eye,” and that’s OK. Some people recall memories and process information in different ways altogether.
Explainer
Plants
Explainer: How to identify tree species in the winter
No leaves to be found? Then buds, bark and branches might help you ID what tree you see.
Technically Fiction
Animals
To clear loops, Sonic the Hedgehog must hit the right speed
Most animals don’t run through loops. Sonic would need the physics behind roller coasters and race cars to clear one.
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Setting goals, with science!
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Putting vampire bats on treadmills revealed an energy-burning quirk
A mini gym for bats shows that vampire bats burn amino acids, rather than the carbs or fats other mammals rely on during exercise.
