Astronomers have unveiled one of the most ambitious maps yet of the early universe, revealing a vast "sea of light" between galaxies that had remained otherwise hidden in previous surveys.

Best bets for events, festivals, fairs and other things do in Nassau and Suffolk, from NYC to the East End on Long Island. Explore our interactive guide to weekend fun, including family-friendly ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...