If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

The presence of another planet in the solar system could explain the odd movements of some of the bodies in the Kuiper Belt.

An exoplanet discovered in 2020 contains the coldest temperatures ever measured on a planetary body, according to scientists.

Nicholson is a double Emmy contender this season for Hulu's postapocalyptic drama 'Paradise' and Max's backstage comedy ...

Digital Planet, published by The Fletcher School at Tufts University, has unveiled the Digital Evolution Index charting the ...

Once a year, this planet passes through a celestial beehive typically seen in the night sky during the spring. And it's about ...

A Soviet-era spacecraft meant to land on Venus in the 1970s is expected to soon plunge uncontrolled back to Earth.

Sir David Attenborough has made a powerful declaration about his mortality as the British broadcaster approaches his 99th ...

Astronomers have detected a promising sign of a ninth planet lurking at the the farthest reaches of the Solar System.

The planetarium, located at 100 Center Ave., is open from 8 a.m. to 4 p.m. Monday and Tuesday; 8 a.m. to 7:30 p.m. Wednesday ...

A powerful cosmic event from 2004—a gamma-ray burst from a magnetar 30,000 light-years away—has just been revealed as a major ...

Planet Ark Environmental Foundation, one of Australia's largest environmental non-for-profits, has entered voluntary admission by its board following a review of its "financial position and future ...