The comet, discovered in July 2025, originated far beyond our Solar System and is thought to be around 7 billion years old - ...
A screen shot from a video shows an Atlas V rocket shortly after liftoff from Vandenberg Air Force Base. (United Launch Alliance photo) [Scroll down for in-flight video] A camera attached to the Atlas ...
In 1986, the European spacecraft Giotto became one of the first spacecraft ever to encounter and photograph the nucleus of a comet, passing and imaging Halley's nucleus as it receded from the sun.
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