On a hot November day in the tropical forest of Arecibo, Puerto Rico, amongst the croaking of coquís, the message went out. Warbling audio crackled over loudspeakers—the audible result of the work of ...

If you’ve ever listened to a recording of whale song, you know that it can be haunting, beautiful, and moving. The songs of humpbacks and the clicks, called codas, of sperm whales are sophisticated ...

Before entering hypersleep aboard the USCSS Covenant, several members of the crew record final messages for their loved ones at home. Daniels tells her father how excited she is to be colonizing a ...