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...
Light behaves both as a particle and as a wave. Since the days of Einstein, scientists...
A senior US scientist has expressed concern that the intelligence services are funding climate change research...
Researchers in Palo Alto in the US state of California have developed the most powerful X-ray...
Scientists in the U.K. have examined a tiny metal circular object, and are suggesting it might...
