A 24-year-old observatory assistant from the Midwest discovered Pluto. Clyde Tombaugh, born in 1906 in Streator, Illinois, ...

JWST observations of 72 young planetary systems suggest powerful magnetic winds dominate early disk evolution before giving ...

Unpopular opinion time, Pluto being reclassified as a dwarf planet was a great thing for our understanding of the solar ...

Learn how Pluto nearly kept its planet status in a proposed 12-planet Solar System as its demotion marks its 20th anniversary ...

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...

Nasa's powerful James Webb Space Telescope is showing us something humankind has never witnessed firsthand before: The birth ...

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the discovery of Pluto in the 1930s. Labeled as planet X, prominent astronomers ...

Twenty years after Pluto lost its planetary status, the debate continues as scientists still disagree over what defines a ...

Buckle your seatbelts. We’re about to take a ride on the cosmic superhighway. What exactly are these celestial autobahns? How ...

Far from the Sun’s heat, orbiting the outer planets of the solar system, are moons with oceans of liquid water beneath their frozen surfaces. Keith Cooper finds out how planetary scientists are ...

Found in the northern sky, GJ 3378b is a potentially rocky world with liquid water on its surface, receiving 90% of the ...

Because the planets in our solar system are so bright, they flood the telescope's sensors with more light than they can ...