Your toothpaste’s fluorine was formed in a star

Next time you're brushing you teeth, think on this: New research suggests that the fluorine in your toothpaste originates from the sun’s dead ancestors.

Five fun physics tricks

Check out - and try - five fun physics tricks. Can you figure out the physics behind these phenomena?

Worst of the Gulf oil spill toxins still remain, research finds

Bacteria in the Gulf of Mexico consumed many of the oil toxins released during the 2010 Deepwater Horizon spill, but not the most toxic, says new research.

Deadly quake strikes south China

A strong 6.1-magnitude earthquake struck China's Yunnan province on August 3, 2014. Reports early August 4 are of 12,000 homes collapsed, at least 398 dead and 1,800 injuries.

Scientist warns of inevitable solar super-storm propelled towards Earth

Such a storm would wreak havoc with our communication systems and power supplies, and scientists say we're overdue.

More heat waves and cold snaps ahead

Climate extremes are here to stay, say researchers.

Scientists discover vast methane plumes escaping from Arctic seafloor

Scientists aboard the icebreaker Oden observe a methane mega flare.

Pluto-bound New Horizons update

New Horizons - en route to Pluto - is currently out of hibernation for a series of engineering and navigation checks, which will continue until the end of August 2014.

Nature’s roadblock to accurate seasonal hurricane forecasts

Nature itself puts up a roadblock to hurricane prediction - minor variations in the atmosphere - too small for seasonal forecast models to capture.

Record high global temp in June 2014 follows record warmth in May

The last below-average global temperature for June was in 1976 and the last below-average global temperature for any month was February 1985.