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...
The last time I saw Laura Grego was in a tent in a baking field on...
Wally Funk, a trailblazing aviation pioneer who was denied the opportunity to become a Nasa astronaut...
An imposing, 38-foot long Tyrannosaurus rex fossil sold for a record $50.1 million at auction on...
Within minutes of walking on a San Diego beach, marine ornithologist Tammy Russell found the feathered...
