The planet Neptune has a large dark spot "with an unexpected smaller bright spot adjacent to it," inveru observations using ...

The interstellar comet 3I/ATLAS made its closest approach to Earth today (Dec. 19, 2025). Here's the latest news you need to ...

December is full of opportunities to connect, gather and share in magical, effervescent moments with your nearest and dearest. With the calendar year quickly fading into the rearview mirror and a ...

New models suggest Uranus and Neptune may hold far more rock than expected, raising questions about how these distant planets formed.

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 ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

Researchers have uncovered evidence that Uranus and Neptune could be far rockier on the inside than anyone expected.

A new Swiss study challenges the long-held view of Uranus and Neptune as ice giants. House lawmakers unveil bipartisan health care plan proposal ...

A new study suggests that Uranus and Neptune may not be ice-rich planets after all. Researchers from the University of Zurich propose that these distant worlds could be dominated by rock, challenging ...

Astronomers on Mauna Kea found the first space object on which NASA’s Roman Space Telescope can test its imaging technology.

Carl Sagan famously said that "We're all made of star stuff." But he didn't elaborate on how that actually happened. Yes, ...