Discovered in 1930, Pluto was long considered our Solar System's ninth planet, but was unseated in 2006 after the discovery ...

Macduff met the Herald this week at the Jupiter basalt marker along the Columbia Park Trail, just east of the blue bridge. It ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

For years, astronomers have toyed with the idea that the Sun hides an extra planet so distant and dim that even the best ...

Scientists using JWST have identified WD 1856+534 b—the coldest exoplanet yet—circling a dead star, revealing surprising ...

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

Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is ...

A 9th planet in our solar system might be found — and no, it’s not Pluto - Is there another planet out there? Researchers say ...

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

Is it time to ghost your ChatGPT boyfriend? Or finally admit your parasocial relationship with your AI therapist is ...

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

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in our solar system. However, as with all ninth planet research, the new ...