Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping argues as much, and his “Eschatian Hypothesis” reimagines the way ...

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...

While they don't write love letters, there’s no doubt animals form deep and enduring friendships and use many different ways ...

Clearing water-guzzling and soil-damaging alien invasive plants costs South Africa several hundred million rands every year.

Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after ...