Planet-hunters have discovered two "super-Earths" orbiting two nearby Sun-like stars. These rocky planets are larger than the Earth but much smaller than ice giants such as Uranus and Neptune.Scientists say the discoveries are a step towards finding potentially habitable planets - smaller planets that are comparable to the Earth. Details of the new planets are described in two papers in the Astrophysical Journal.
More...
Within minutes of walking on a San Diego beach, marine ornithologist Tammy Russell found the feathered...
Sometime on Oct. 21 of last year, high above the Arctic Circle, a lone missile shot...
A well-worn expression among oceanographers and others who explore the watery depths of planet Earth is...
‘This would have been a wild dream a year ago,” says Andrea Ceccolini, standing on Arctic...
