The 13 Biggest Planes in the World Are True Feats of Engineering
With wingspans longer than football fields, and payload capacities that can support blue whales, these aircraft have pushed the envelope in aerospace engineering.
With wingspans longer than football fields, and payload capacities that can support blue whales, these aircraft have pushed the envelope in aerospace engineering.
Russia just attacked Ukraine with six hypersonic missiles at once. Here's why they're hard to defend against—and why they're (luckily) in short supply.
Dark matter—an invisible form of matter that scientists only know exists due to its gravitational pull—makes up an estimated 80 percent of our universe.
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