Some animals living on Earth appear so unusual that they are often compared to aliens. Their shapes, movements, and behaviors challenge common ideas of what life should look like. Scientists explain ...

While late M-stars are the easiest places to find Earth-sized planets, a new study suggests they are biological dead ends where animal life may never find enough fuel to evolve.

Astronomers discovered a "quasi-satellite" of Earth, also known as a "quasi-moon," dubbed 2025 PN7 in 2025. NASA told Snopes ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...