Astronomers rarely see distant planets directly, instead tracking tiny stellar wobbles and fading light. How do these subtle ...

It's the most extraordinary cosmic present any astronomer could wish for. Just six days before Christmas, an ancient ...

New research suggests Uranus and Neptune may not be true ice giants, with rocky interiors dominating instead, challenging ...

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

A stray comet from another star is swinging past Earth. Discovered over the summer, the comet known as 3I/Atlas will pass ...

Interstellar Comet 3I/ATLAS makes its closest, safe approach to Earth on Dec. 19. Learn how this rare visitor reveals secrets ...

An artistic rendering of a dust and gas disk encircling the young exoplanet, CT Cha b, 625 light-years from Earth. Spectroscopic data from NASA’s JWST suggest the disk contains the raw materials for ...

This is the story of our cosmic neighborhood's front row. We explore the four rocky planets forged in the sun's heat: ...

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

Interstellar comet 3I/ATLAS makes its closest Earth approach on Dec. 19, offering astronomers a rare chance to study a visitor from beyond the solar system ...

"This work shows without a doubt that Parker Solar Probe is diving deep with every orbit into the region where the solar wind is born." ...

We know Jupiter is the largest planet in our solar system, but we rarely observed or heard about ‘Hot Jupiter’, that are ...