Our Sun, the ancient, stubborn, and, for most of us, reassuringly eternal star, has been at the heart of the Solar System for ...

October, a farmer working his land came across a strange sight that would later be described as a "large, metallic object" ...

Mars is the obvious frontrunner, but it is far from an easy second home. The other candidates reveal just how rare truly human-friendly conditions may be.

From a dog with a golden tooth to a sky turned orange by desert dust, these eight unusual photos capture surprising sights ...

UFO reports cannot all be explained by imagination, but unexplained does not mean extraterrestrial. The reality sits ...

NASA’s Venus missions are targeting launches from 2030 to 2032. Explore how DAVINCI, VERITAS, and EnVision will explore the ...