News tagged with observational data

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Deserts 'greening' from rising CO2

Increased levels of carbon dioxide (CO2) have helped boost green foliage across the world's arid regions over the past 30 years through a process called CO2 fertilisation, according to CSIRO research.

Jul 03, 2013 4.6 / 5 (27) 20

Dark matter mystery deepens

(PhysOrg.com) -- Like all galaxies, our Milky Way is home to a strange substance called dark matter. Dark matter is invisible, betraying its presence only through its gravitational pull. Without dark matter ...

Oct 17, 2011 4.7 / 5 (22) 30 | with audio podcast

Is dark energy static or dynamic?

(Phys.org)—While hypothesized dark energy can explain observations of the universe expanding at an accelerating rate, the specific properties of dark energy are still an enigma. Scientists think that dark energy could take ...

Nov 12, 2012 4.5 / 5 (19) 48 | with audio podcast feature

Climate change disasters could be predicted

Climate change disasters, such as the melting of the Greenland ice sheet, dieback of the Amazon rainforest or collapse of the Atlantic overturning circulation, could be predicted according to University of Exeter research.

Jun 19, 2011 3.8 / 5 (11) 8 | with audio podcast