Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in ...

Thanks to JWST, we've learned key details about methanol — a key building block for organic compounds necessary for life — on ...

NASA scientists have sought to understand planet Jupiter, the gas giant whose mass is more than the rest of the planets in ...

At a frigid -125 degrees Fahrenheit (-87 degrees Celsius), WD 1856+534 b is the coldest planet ever directly observed, ...

The ongoing search for an additional planet at the solar system's edge has identified a new candidate, potentially ...

Caroline Delbert is a writer, avid reader, and contributing editor at Pop Mech. She's also an enthusiast of just about ...

Observations of exoplanets typically provide astronomers little more than an orbit, a mass and a radius. If the radius and ...

Using the James Webb Space Telescope (JWST), scientists have found the coldest exoplanet that is orbiting a dead star, also ...