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

Harvard physicist Avi Loeb challenges NASA, suggesting the iron-rich composition of interstellar object 3I/ATLAS indicates ...

Planetary systems begin in chaos. In their primitive form, many rocky and icy objects are careening through space, smashing ...

Astronomers may have uncovered a massive hidden planet far beyond Neptune, using decades-old infrared data. The object’s ...

T he largest planet-forming disk ever observed, nicknamed Dracula’s Chivito after a Uruguayan sandwich, has been revealed to ...

Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which ...

Unlike its predecessors, 3I/ATLAS is remarkably active; while 'Oumuamua was a dry, rocky cigar-shaped object, this new ...

Fomalhaut lies about 25 light-years away in the constellation Piscis Austrinus, aka the Southern Fish, and is one of the ...

The visitor, known as 3I/ATLAS, made its closest approach to Earth on Friday (December 19), zooming by at 130,000mph at a ...

In astronomy, there is a concept called "degeneracy." It has nothing to do with delinquent people, but instead is used to ...

A rare interstellar comet will sweep past Earth this week at a safe distance, giving scientists a brief chance to study ...

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