Thomas Mulligan explores the scientific limits and cosmic reach of Earth’s biological signals, revealing how far into the universe our presence can truly be sensed by extraterrestrial observers.

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

Ted Chiang, who wrote the short story on which Denis Villeneuve's Arrival is based, once revealed his favorite movie ...

The Gordie Howe International Bridge connecting Windsor and Detroit will open July 27 after Canada, Michigan and the U.S.