Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

When astronomers first cataloged some of the closest orbiting rocky exoplanets, they wrote them off as bare, airless cinders, ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

It is with a heavy heart that I announce that NASA Earth Science Communications has directed The Earth Observer to conduct an ...

The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

A newly identified group of icy bodies in the Kuiper Belt has left astronomers both surprised and intrigued. Led by Amir ...

For the first time since Pluto was demoted, the idea of a true ninth planet is edging from speculation toward something ...

Planets orbiting two stars at once, a world that sparked debate over the possibility of life, and another being vaporized by ...

Scientists describe the findings as unexpected and puzzling, making this discovery a milestone in exoplanet research.

Astronomers may have uncovered a massive hidden planet far beyond Neptune, using decades-old infrared data. The object’s ...

January's full Wolf Moon, which is also a supermoon, will rise in the Gemini constellation, appearing bigger and brighter ...

Kuiper Belt clues, competing ideas, and how Rubin Observatory could finally reveal the hidden world soon by 2026.