New research suggests Pluto may have had a “kiss” with its largest moon billions of years ago in a harmless collision. The report, published in “Nature Geoscience,” describes how the minuscule dwarf ...

Planetary scientist Kelsi Singer was an undergraduate in 2006 when a spunky spacecraft launched with an ambitious goal: to fly by Pluto. It would take nearly a decade for the New Horizons probe to ...

Seven years after its epic Pluto flyby, New Horizons is still going strong. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA's New Horizons ...

The space probe began making discoveries even before today's flyby. — -- Three billion miles and nearly ten years of travel led up to the moment NASA's New Horizons probe zoomed past Pluto today, ...

When the International Astronomical Union announced in 2006 that Pluto was being demoted from its status as the Sun’s ninth planet, many astronomers and non-experts alike were shocked. Pluto remains ...

A team of scientists wants Pluto classified as a planet again — along with dozens of similar bodies in the solar system and any found around distant stars. The call goes against a controversial ...

On July 14, 2015, the New Horizons spacecraft zipped past Pluto, snapping stunning pictures of the dwarf planet and its moons. It took almost 10 years for the spacecraft, which launched on January 19, ...