NASA sun probe silent now for six weeks

No one knows exactly why a NASA solar probe stopped talking to Earth six weeks ago, but it's possible the spacecraft is out of power and is drifting without a way of calling for help, the agency said in an update.

Scrubbers should offset residue accumulation

A leading applied engineer says suitably-designed intake scrubbers would improve the operation of air heaters in coal-fired boilers, and reduce acid rain-causing emissions.

Guide to the 2014 Leonid meteors

If there's one meteor shower that has the potential to bring on a storm of epic proportions, it's the Leonids. Peaking once every 33 years, these fast movers hail from the Comet 55P Temple-Tuttle, and radiate from the Sickle, ...

The flight of the frisky tui

New Zealand's endemic tui (Prosthemadera novaseelandiae) have a tendency to 'jump the fence' when looking to breed, a study by Massey University researcher Dr Sarah Wells shows.

Cheap petrol fuels road deaths

Fuel subsidies in countries such as Venezuela and Indonesia are fuelling high road death rates, and around 35,000 road deaths could be avoided each year by the removal of global fuel subsidies, a new study from The Australian ...

Rosetta's comet sings strange, seductive song

Scientists can't figure exactly why yet, but Comet 67P/Churyumov-Gerasimenko has been singing since at least August. Listen to the video – what do you think? I hear a patter that sounds like frogs, purring and ping-pong ...

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