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Males use raptor-like forelegs to pin down females.
Close-up images display the unseen beauty in objects from the past.
Physicists have long assumed that the universe is pretty much the same in any direction, and now they’ve found a new way to test that hypothesis:...
One secret is their specialized hind wings.
This liquid fuel engine is a beast.
Your guess is as good as anyone's.
Like a teetering top, Mars refuses to rotate on a straight axis.
A coronavirus variant identified in South Africa may not be as vulnerable to COVID-19 vaccines as other strains, some scientists say. Studies are now underway to...
It's nearly 10 times as long as the Grand Canyon, and three times as deep. But how did it form?
Their army really was immense.