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

In 2020, astronomers detected WD 1856+534 b, a gas giant that orbits a star 81 light-years from Earth. This exoplanet, which ...

Astronomers may have found a candidate for Planet Nine. This planet is beyond Neptune. The finding could be the first ...

A new look through decades-old data has unveiled some of the most compelling evidence yet of a hidden ninth planet in the far ...

The solar system consists of our star, the sun, and everything bound to it by gravity: the planets Mercury, Venus, Earth, ...

sitting in the Kuiper Belt - a region in our solar system beyond Neptune filled with icy objects, comets, and dwarf planets like Pluto. Since this hidden planet may be so far away, the new study ...

Astronomers using the James Webb Space Telescope have directly detected the faint glow of a planet that’s colder than any ...

For over a century, astronomers have wondered if there's an extra planet in our Solar System that we haven't been able to see ...

"This measurement of the planet population from planets somewhat larger than Earth all the way to the size of Jupiter and ...

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