(CNN) — At the edge of the heliosphere, you wouldn’t know by looking whether you left the cradle of humanity behind and floated out into interstellar space. You would just see unfathomably empty space ...
Why it matters: After spending 45 years in space, the Voyager 2 mission is still going strong. Energy supply isn't what it used to be, though, so NASA is working on new "tricks" that can extend the ...
Two of NASA’s longest-running space missions, Voyager 1 and Voyager 2, have detected a searing-hot region of space where the Sun’s influence ends and interstellar space begins. The probes, launched in ...
NASA’s Voyager 1 spacecraft has entered a new region at the far reaches of our solar system that scientists feel is the final area the spacecraft has to cross before reaching interstellar space.