A dramatic experiment shows what happens when a snowball made from solid nitrogen is thrown, revealing extreme cold effects ...

WASHINGTON — The Pentagon's latest report on UFOs has revealed hundreds of new reports of unidentified and unexplained aerial phenomena but no indications suggesting an extraterrestrial origin. The ...

If your kid wants something cooler than a plain shoebox, these Valentine’s box ideas for boys are exactly what you're looking for! From monster trucks and dinosaurs to video games and sports, these ...