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

NASA's Mark Matney reveals a groundbreaking theory: the Star of Bethlehem was a high-speed comet. Discover how 2025's ...

NASA researchers have identified Kepler 452b, the most Earth-like planet discovered to date, orbiting a sun-like star in the habitable zone. This video explains why the find matters and how upcoming ...

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

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

Across the Milky Way and beyond, planetary systems appear to fall into a few recurring blueprints, and recent exoplanet ...

Readers Edition. This is the (nearly) annual tradition of you, RPS readers, telling us where we went wrong in our annual ...

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