Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

What if alien life on other planets didn’t need liquid water to exist? This is what a recent study published in the Proceedings of the National Academy of Sciences hopes to address as a team of ...

Within the next 20 years, human beings could discover life on other planets. It was this startling prediction—and the subsequent realization that kids sitting in elementary school classrooms today ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Amid a new wave of interest in the possibility of life on other worlds, Lawrence Livermore National Laboratory and NASA embarked on a new effort to identify planets with the basic compounds for life ...

A new SETI methodology focuses on detecting the "spillover" from directed interstellar communications, mirroring how we communicate with our own spacecraft, rather than relying on broad, speculative ...

The James Webb Space Telescope has its sights set on seven planets circling a red dwarf star called Trappist-1, about 40 light-years away. One of them, Trappist-1e, may have temperatures warm enough ...

The most enthralling rock yet found on Mars—a speckled hunk of mudstone that just may contain evidence of ancient alien life—is still worth getting excited about. The rock in question is packed with ...