Fragments falling onto the Sun

(Phys.org) —Stars form as gravity coalesces the gas and dust in an interstellar cloud until the material develops clumps dense enough to become stars. Even after a star begins to burn its nuclear fuel it continues to grow ...

Should Australia consider thorium nuclear power?

Australia has developed something of an allergic reaction to any mention of uranium or nuclear energy. Blessed as we are with abundant reserves of coal, oil and gas, we have never had to ask the hard questions many other ...

Nuclear industry explores accident-resistant fuel

(AP)—The explosions that damaged a crippled Japanese nuclear plant during a disaster that forced mass evacuations in 2011 show what can happen when nuclear fuel overheats.

Wind, solar becoming cost competitive: Chu

Clean sources of energy such as wind and solar will be no more expensive than oil and gas projects by the end of the decade, US Energy Secretary Steven Chu said Wednesday.

Japan nuclear meltdown 'maybe worse than thought'

Molten nuclear fuel at Japan's Fukushima plant might have eaten two thirds of the way through a concrete containment base, its operator said, citing a new simulation of the extent of the March disaster.

Safer nuclear fuels

Exploratory research on revolutionary new types of nuclear fuel pellets that would be safer in the event of a nuclear disaster has yielded promising results, according to a team of scientists from the University of Tennessee ...

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