NASA's most monumental achievements, the space agency's epic mission, provided the world with the first real, close-up images of Saturn. This historic breakthrough completely transformed our ...

JWST has confirmed Pluto’s bizarre atmospheric behavior and its ghostly interaction with Charon. These findings could reshape our understanding of distant icy worlds—and even hint at how Earth once ...

Its star is much cooler and redder than our Sun. If plant life does exist on a planet like Kepler-186f, its photosynthesis could have been influenced by the star's red-wavelength photons, making for a ...

Titan is Saturn's largest moon, and it's of particular interest to researchers and space agencies like NASA because there's a possibility that it could host life.

Psyche's target -- the asteroid 16 Psyche -- is thought to be a 130-mile-wide, metal-rich asteroid that might somewhat resemble Earth's core, according to NASA.

After nearly a decade in orbit, NASA's MAVEN spacecraft has, for the first time, directly observed the process that scientists had long suspected was responsible for stripping Mars of its atmosphere.

The latest stories from our Planet or Plastic? series—a multiyear effort to raise awareness about the global plastic waste crisis.

Why we explore Mars—and what decades of missions have revealed. In the 1960s, humans set out to discover what the red planet has to teach us. Now, NASA is hoping to land the first humans on Mars ...

Planets & Transits News: The solar system acts as a rigorous educator, imparting life lessons through planetary archetypes. Each planet, from the Sun's ego lessons to Pluto's ...

A 30-minute drive north of Pittsburgh this weekend would have landed you on another planet. Mars, the small Butler County community, transformed itself ...