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Nuclear energy: The plutonium problem

Earth

Nuclear energy: The plutonium problem

The British government spends billions guarding its plutonium stockpile against terrorists. The best option for getting rid of it is deep burial – but where?

Features

Plutonium tests offer hope for dark space missions

Space

Plutonium tests offer hope for dark space missions

News

Technology

The radioactive legacy of the search for plutopia

Books & Arts

Dwarf planet Eris may reveal quantum gravity

Space

Dwarf planet Eris may reveal quantum gravity

News

Astrophile: How a faraway dwarf world lost its cloak

Space

Astrophile: How a faraway dwarf world lost its cloak

News

Space fuel crisis: NASA confronts the plutonium pinch

Space

Space fuel crisis: NASA confronts the plutonium pinch

Features

Space

Pluto's not a planet – it's much odder than that

Opinion

Discovery of fifth moon reignites Pluto planet debate

Space

Discovery of fifth moon reignites Pluto planet debate

News

Pluto's rival is tinier but shinier than thought

News

Space

Pluto's icy exterior may conceal an ocean

If the dwarf planet's core has as much radioactive potassium as scientists think, it may have a subsurface ocean and the conditions to sustain life

News

Space

Fourth moon discovered around Pluto

News

How Pluto lost its planethood

CultureLab

Space

Former 'tenth planet' may be smaller than Pluto

News

Life

#TriceraFAIL: What's in a name?

Opinion