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

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 ...

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

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

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

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

Scientists have detected potential evidence of life on K2-18b, a distant exoplanet. A Cambridge team using NASA’s James Webb Space Telescope found molecules in its atmosphere that, on Earth, are ...

Kornmesser/ESO via AP) NEW YORK (AP) — A new Tatooine-like planet outside the solar system may orbit two failed stars ... A light year is nearly 6 trillion miles. The brown dwarf pair was first ...

A team of astronomers led by the University of Cambridge has detected the chemical fingerprints of possible signs of life on a planet outside the solar system. Using data from the James Webb Space ...

Exoplanet orbits binary stars at a 90-degree tilt Discovered using ALMA and VLT telescopes Orbit challenges planetary formation theories ...

Installing a solar system is one of the smartest decisions Australian homeowners can make—but what if you work with limited roof space or a tight budget? Optimising small solar systems is key to ...

With a lot of talk about space recently, have you ever wondered which are the hottest planets in the solar system? You'd think the closer you are to the sun, the hotter they must be. Now that's ...