This interstellar vagabond is only the third large interstellar visitor that we have ever discovered — an asteroid or comet ...

NASA's Hubble Space Telescope captured an uncommon sight—the death of a low-mass star—in this image of the Calabash Nebula ...

Our universe is filled with galaxies, in all directions as far as our instruments can see. Some researchers estimate that ...

Understanding ISO origins provides a deeper context for interpreting their physical and chemical properties,” noted Shokhruz ...

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 ...

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

One of the oldest unsolved riddles in planetary science concerns the origin of the moon. Over a century ago, George Darwin ...