One year ago, on Nov. 5, 2018, NASA’s Voyager 2 became only the second spacecraft in history to leave the heliosphere — the protective bubble of particles and magnetic fields created by our Sun. At a ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The NASA team ...

The Voyager 2 spacecraft’s energy budget keeps dropping by about 4 Watt/year, as the plutonium in its nuclear power source is steadily dropping as the isotope decays. With 4 Watt of power less to use ...

This graphic shows the position of the Voyager 1 and Voyager 2 probes in relation to the protective bubble created by the sun that extends well past the orbit of Pluto. Voyager 1 crossed the ...

NASA’s Voyager 2 probe, currently on a journey toward interstellar space, has detected an increase in cosmic rays that originate outside our solar system. Launched in 1977, Voyager 2 is a little less ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Add Yahoo as a preferred source to see more of our stories on Google. This NASA file handout image from 2002 shows one of the twin Voyager spacecraft. Voyager 1 and Voyager 2 were launched in 1977 ...

After weeks of giving Earth the silent treatment, NASA's Voyager 2 spacecraft is once again communicating with mission control from billions of miles away. All it took was for the ground team to send ...

NASA’s aging interstellar probe is gradually losing power, forcing the space agency to shut down one of its science instruments to conserve its energy. Launched in 1977, NASA’s Voyager 2 mission has ...

They thought it was gonna be a long, long time. NASA has successfully “reestablished full communications” with Voyager 2, an interstellar deep space probe which the agency sent offline with a faulty ...

Launched in 1977 to serve as a beacon of humanity to the wider universe, Voyager 2 is currently more than 12.3 billion miles (19.9 billion kilometers) from our planet ...