It only takes one close encounter with a lightning strike to get the full sense of its power. At around 1 gigaJoule of energy ...

Researchers may have finally traced 1977’s famous extraterrestrial anomaly back toward massive, naturally occurring hydrogen ...

Here’s what you’ll learn when you read this story: The Hubble Telescope has discovered the very first Reionization-Limited H I Cloud (RELHIC). Nicknamed Cloud-9, this new astronomical object is a dark ...