The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...
The space rock is hurtling through our cosmic backyard at a zippy 26,200 miles per hour, according to the space agency.
A Mars spacecraft has now been AWOL for more than a month. But NASA hasn't given up hope of restoring contact with the MAVEN ...
Nasa scienests have revealed that the Sun will one day swallow the Earth, producing two new planets after the carnage.
The space rock is hurtling toward the Earth at a zippy 8,478 miles per hour miles per hour, according to the space agency.
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