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

There's a broad consensus in the scientific community that a follow-up mission to Pluto should be an orbiter, and not a ...

Pluto isn’t considered a planet because it lacks enough gravity to clear its orbit, not just because of its distance. Despite receiving less than 1% of Earth’s sunlight, Pluto is still surprisingly ...

Five planets are retrograde in summer 2025: Pluto, Neptune, Saturn, Mercury and Uranus. Astrologically, that means in for a ...

It took over nine years for New Horizons to reach Pluto after blasting off atop an Atlas 5 rocket on Jan. 19, 2006. After ...

Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.

It was one of the most ambitious missions for NASA since the turn of the century, with photos reshaping what scientists know ...