Scientists invent 'quantum flute' that can make particles of light move together

New study sheds light on why opioids can cause gastrointestinal problems

Scientists just detected a bus-sized asteroid that will fly extremely close to Earth tonight

Sir John Herschel used a solar wedge attached to his telescope to observe the Sun in the mid 19th century. A solar wedge reflects 4.5% of sunlight towards the eyepiece and a second glass filter reduces the Sun's white light by a factor of 1,000 or more