Sick young ants release a smell to tell worker ants to destroy them to protect the colony from infection, scientists said Tuesday, adding that queens do not seem to commit this act of self-sacrifice.

Step outside on a sunny morning and chances are you will spot them: little domes of displaced earth dotting your lawn like small landmines. They seem harmless at first -- until they multiply. If you ...

At its core, life is about passing on genetic information, but the ways it happens from one species to another vary greatly.