The actor and comedian provided a special message for astronauts during the first flight after the Challenger disaster
Centuries-old illustrations of sharks show just how much we've learned about the fish since our first sightings of them
Buying carbon offsets won't stop global warming, but if you're traveling, it's your best individual option for reducing your carbon footprint
Feast your eyes on these snapshots from around the world
We could be at a tipping point for conserving the infamous predators, if we can keep up shark-friendly practices
Faux marine animal skin could make swimmers faster, keep bathrooms clean and cloak underwater robots
The global finalists of this year’s Google Science Fair take on cyberbullying countermeasures, tar sands cleanup and wearable tech
Which one was the first, the biggest, the fuzziest? These puzzles continue to perplex paleontologists
When Iselle crosses the Big Island of Hawaii, it will offer a rare glimpse at a clash of the titans
Earth’s path around the Sun may play a role, but other factors are still unknown
Critically endangered European eels get distracted by man-made noise, making them more likely to get eaten by a predator
While you (and horses) are busy sweating buckets, some animals have evolved bizarre ways to keep cool
The Great Lake is sick, and Toledo’s toxic algae is just a symptom
A field trial of genetically modified oilseed plants that can make fish oil hopes to help fish farming become more sustainable
Prairie dog kisses might help spread the plague, and stopping the most promiscuous rodents could curb that disease’s reach
The Natural History Museum's entomology department is making its bumblebee collection go viral
Selective logging can halve the number of species of mammals and amphibians in a forest
Researchers are trying to figure out how "jackass" penguins—nicknamed for their braying vocalizations—communicate
A new study suggests it wasn't just the asteroid that killed the dinos, but that other factors weakened their ability to survive it
From conceptualization to the first plunge, building the world's tallest water slide takes more trial-and-error than you might believe
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