Christopher Nolan’s sci-fi epic Interstellar is filled with excellent time travel mechanics, which unfortunately open the ...

Using Webb’s near-infrared spectrograph, astronomers have captured new images of Neptune that finally reveal the planet’s ...

Interstellar objects are among the last unexplored classes of solar system objects, holding tantalizing information about ...

In a potential step toward sending small spacecraft to the stars, researchers have developed an ultra-thin, ultra-reflective ...

The heliosphere, a cosmic bubble formed by the Sun, protects our solar system from interstellar threats and influences life's ...

NASA’s Voyager probes are failing, creating an urgent need for a new deep-space mission. A proposed interstellar probe could ...

Voyager 1 crossed into interstellar space, or the space between stars, in 2012, and Voyager 2 did the same in 2018. The probes took different trajectories. Voyager 1 is traveling up away from the ...

Voyager 1 crossed into interstellar space, or the space between stars, in 2012, and Voyager 2 did the same in 2018. The probes took different trajectories. Voyager 1 is traveling up away from the ...

To save energy for further interstellar exploration ... After all, the two spacecraft have traveled a combined 29 billion miles to become the farthest human-built objects from Earth.

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