It's now one of two working spacecraft in interstellar space.
You map, IMAP, we all map.
New papers describe an unexpected boundary region at the edge of the influence of the Sun.
It certainly is in strange new territory, though.
It's perched on the very edge of the solar system, and new data is the strangest yet
A small Earth-orbiting probe has sampled the interstellar wind for the first time, detecting four types of atoms that originated...
The hibernating sun leaves humans unprotected
It was not projected to happen until 2014
A frothy moat, not a shield, protects us from cosmic rays
It is the furthest-flung manmade object ever
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