The Sun, our nearest celestial neighbor, is undeniably a star, not a planet, as centuries of astronomical observations have ...

At a young age, we're told how the sun warms Earth and makes life possible. That idea sticks with most of us for life. But ...

UK teams are helping NASA develop imaging tech for a space telescope that will hunt for alien planets beyond Earth.

Since the dawn of civilization, humanity has wondered whether we are alone in the universe. Some people—myself ...

A new survey of 500,000 stars finds only 0.28% host close-in giants, showing how aging Sun-like stars drag their planets to destruction.

There are no confirmed exomoons, moons orbiting distant exoplanets in other solar systems. There are a few candidates, but ...

Venture to the most distant worlds in our solar system as we chart the path to Uranus, Neptune, and Pluto. Learn about ...

This is simply incorrect. His assertion here is based on an erroneous calculation that the measurement of 3I/ATLAS’s ...

Scientists at Durham University are helping to develop a new type of camera intended to help search for life on distant ...

Researchers analyzed nearly half a million nearby star systems to understand how giant planets fare as their stars expand ...

For years, scientists believed most mini-Neptunes were covered by vast oceans of molten rock—essentially entire planets made ...