Over the years, researchers have made numerous attempts to make Harry Potter's invisibility cloak a reality. While each version has been slightly better, none have come close to...

Scattered  across the ocean bed, and often hidden from the human eye, are hundreds, or perhaps even thousands, of "blue holes." The massive underwater sinkholes, which host a di...

Even those not normally interested in astronomy will find it hard to resist NEOWISE, the brightest comet to grace our skies since the 1997 appearance of Comet Hale-Bopp. The spe...