Earth-like planet discovered in twin star system
Discovery opens the possibility of many planets in Earth-like orbits in star systems previously unexplored, say scientists
Accelerated ice melts in Greenland triggers alarm
The phenomenon is likely to increase estimates of global sea level rise
Greenland’s sub-glacial lakes dried out in weeks, say studies
Researchers are worried these sudden phenomena may accelerate melting of the ice sheet
Climate change brings longer spring and autumn to US
Expanding growing season has enabled the forests to store an additional 26 million tonnes of carbon dioxide, say researchers