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

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

The possibility that an additional planet may be hidden far into the solar system was touted more than a century ago. In 1983 ...

Stars are some of the most mysterious things in the universe, and Przybylski’s Star (HD 101065) is one of the weirdest of all ...

An astronomer breaks down 3 key components that allow researchers to make groundbreaking discoveries – and decide when ...

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

There's disappointment for astronomers as the newly-discovered bright green comet appears to have disintegrated ...

The careening star blasted through the galactic filament, known as "the Snake," at a zippy 1–2 million miles per hour.

What's more, no exoplanets with emission spectra cooler than 275 K (1.85 °C; 35.33 °F) - comparable to Earth - have been ...

Webb discovered an early cosmic boom of "red monster" galaxies, surprising even seasoned researchers who thought they knew ...

Astronomers using the James Webb Space Telescope have discovered Zhúlóng, the most distant known spiral galaxy, existing just one billion years after the Big Bang. Defying expectations, Zhúlóng ...

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