If it weren't for the new budget, New Horizons could keep exploring the outer reaches of the solar system into the 2030s.

NASA's iconic New Horizons probe, which explored Pluto and the outer solar system, faces potential shutdown due to proposed budget cuts by the White House.

After traveling billions of kilometers, NASA’s New Horizons gave us one final gift - images of Pluto and Arrokoth that no spacecraft may ever surpass. These are the last direct observations of two icy ...

NASA’s New Horizons is the fifth ever probe that is destined to leave the Solar System, following Pioneer 10 & 11 and Voyager ...

NASA’s New Horizons spacecraft visited Arrokoth in 2019, revealing its peanut-like shape. That shape told scientists Arrokoth is a contact binary—two bodies that touched and merged.

NASA's New Horizons probe flew by Pluto in 2015 and Arrokoth in 2019. There's no visit to Altjira in the works, but the researchers behind the new study hope that detailed remote observations of ...

Rather, Levison said the asteroid may resemble a bowling pin or even a snowman like Arrokoth, the Kuiper Belt object visited by NASA’s New Horizon spacecraft in 2019. The other possibility is that ...