The article highlights the paradox of widespread belief in the abundance of life in the universe juxtaposed with humanity's singular known example on a planet facing rapid climate change. It ...

Astronomers believe they have uncovered evidence of a previously unknown ninth planet lurking in the not-too-distant reaches of the solar system. This hypothetical world, dubbed "Planet Y," could be ...

Researchers have discovered chemical fingerprints of Earth's earliest incarnation, preserved in ancient mantle rocks. A unique imbalance in potassium isotopes points to remnants of “proto Earth” ...

A team of astronomers have found what they claim are the most promising—but also tentative—signs of possible life on a distant planet. The research, which was published in the The Astrophysical ...

Scientists have detected a hidden alien planet by examining the orbits of the known worlds in the star system, known as Kepler-139. The newfound exoplanet, called Kepler-139f, is a gigantic world ...