In a new book, NASA astrobiologist Caleb Scharf says the fate of life on Earth may hinge on leaving our planet behind ...
The Earth has a second moon? Not exactly, though social media would have you believe it. Earth has only one true natural satellite – our 2,159-mile-wide moon located approximately 239,000 miles away.
Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick ...
Blue Origin successfully launched—and partially landed—its New Glenn rocket on Thursday. The achievement marks a major step ...
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