Although they are technically gas giants, Uranus and Neptune are referred to as "ice giants" due to their composition.

The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...

Hubble Space Telescope imagery Neptune has revealed that the planet's clouds are disappearing. Credit: NASA Goddard Space ...

While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...

The world's most expensive infrared spectrometer - the James Webb Space Telescope - is unearthing extraordinary exoplanet ...

In the spirit of the season, the interstellar comet 3I/ATLAS is changing color as it leaves the sun behind — shifting from a ...

Have scientists finally confirmed the existence of the first exomoon? This is what a study released on the preprint server ...

Interstellar visitor 3I/ATLAS erupted with violent ice volcanoes, shifting from quiet ice ball to active body, sparking ...

The 3I/ATLAS interstellar object, which a number of scientists consider to be potentially technological and likely to pose a ...

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar 2,300 light years from Earth. Since then, over 6,000 confirmed exoplanets ...

I ATLAS interstellar comet brightens in new NASA and ESA images, revealing an active visitor and rare clues about other star ...

The Hubble Space Telescope has turned its sharp eye toward a ghostly swirl of stars and gas known as the "Lost Galaxy," given ...