At a frigid -125 degrees Fahrenheit (-87 degrees Celsius), WD 1856+534 b is the coldest planet ever directly observed, surpassing the previous record-holder, Epsilon Indi Ab, which stands at around 35 ...

But new research from the University of Chicago is urging caution. After analyzing data from multiple observations of the ...

Information about Uranus is limited. What we know is that the planet is composed mainly of water and ammonia ice, its diameter is about 51,000 kilometers, about four times that of the Earth, and its ...

While it won’t be easy to see the full lineup without binoculars or a telescope ... it's our perspective of the planets lining up from Earth. And while the planets appearing to align isn ...

It goes without saying ... NASA's James Webb Space Telescope has captured new details of the auroras on our solar system’s largest planet. The dancing lights observed on Jupiter are hundreds of times ...

Neptune, the farthest planet out from the Sun at 1.9 billion miles, cannot be seen without optical aid, and then only when ...

Astronomers using the James Webb Space Telescope (JWST) have detected the first planet seen orbiting a dead star ... shrinking into its current, dense, Earth-size form. "This is compelling ...