Articles on New Horizons

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The spectacular layers of blue haze in Pluto’s atmosphere, captured by NASA’s New Horizons spacecraft. NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

Why Pluto is losing its atmosphere: winter is coming

The dwarf planet Pluto is heading away from the Sun and that's having a devastating impact on its atmosphere.
New Horizons continues to help unravel the icy dwarf planet’s secrets. NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

Picture of Pluto further refined by months of New Horizons data

After last summer's Pluto flyby, the New Horizons spacecraft started sending data back to Earth – at 2 kilobits per second. Here's some of what scientists have learned so far from that rich, slow cache.
A highlight of 2015 was the number of weird and wonderful exoplanets that were found. NASA/JPL-Caltech

Space in 2015 was out of this world

From a flyby of Pluto to the search for extrasolar planets and gravitational waves, 2015 was a monumental year for space news.
2015 saw us complete our exploration of all nine planets (including dwarf planet Pluto) in our solar system. NASA

2015, the year that was: Science + Technology

2015 was a year where we expanded our view of the universe, embraced new technologies and got a hint of the profound changes to come.
What could be out there? That question eventually led to the discovery of Pluto. ESO/L. Calçada

Finding Pluto: the hunt for Planet X

The existence of a "Planet X" in the outer solar system was the subject of great speculation, and was finally settled with the discovery of Pluto in 1930.

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