Alien Neptune like planets discovered by NASA's Kepler spacecraft have masses and densities ranging between one and four times the size of Earth. Most of these 'mini-Neptunes' have a rocky core surrounded by a hydrogen- and helium-rich envelope.
Bill Nye, science education advocate and TV personality, will visit Kentucky in February to debate Ken Ham, the founder of the Creation Museum. The event will be titled, 'Is Creation A Viable Model of Origins?'
A Russian ship remains trapped in ice after a rescue vessel was forced to turn back due to poor visibility. If conditions permit, a helicopter will be used to rescue most of those on board the stranded ship.
Two researchers conducted an experiment in which a person was photographed, with another person standing near the photographer. Those not directly photographed show up as reflections in the subject's eyes.
NEOWISE, an infrared telescope orbiting Earth, returns test images in preparation for hunting and characterizing near-Earth objects, especially asteroids. The information it provides will help scientists gauge the hazard different asteroids pose.