Articles sur Pluto

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Pluto is a dwarf planet but that doesn’t make it any less worthy of our attention. NASA/JHUAPL/SwRI

Planet or dwarf planet: all worlds are worth investigating

A group of astronomers are trying to reclassify Pluto as full 'planet'. But there are good reasons to leave our classification system alone, and this doesn't mean Pluto is any less interesting.
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.
A beautiful day on Pluto with clear blue skies. NASA

Blue skies over Pluto and a lakeside home on Mars

This week, NASA has discovered great similarities between the Earth and Mars and Pluto. But when it comes to the potential for life, Mars is an increasingly hot favourite.
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.
Music and astronomy have been intimately linked since antiquity. AAP Image/ NASA

What might Pluto sound like? Our musical love affair with the cosmos

From Twinkle Twinkle to Space Odyssey and beyond, humans have always turned to music to help deal with the profoundly confronting enormity of the cosmos. Is that a match made in the heavens?

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