An international team of astronomers has identified the earliest black hole ever confirmed, an ancient behemoth that existed ...

Nebulas — colorful clouds of expanding gas and dust — have long captivated stargazers with their beauty. Here are some of the ...

One of the brightest stars in the night sky seems to be orbited by a planet like Jupiter. The news is sure to cheer fans of ...

A team of astronomers has taken the sharpest-ever picture of the unexpected interstellar comet 3I/ATLAS using the crisp ...

Instead, scientists are looking into existing spacecraft already in orbit around other planets. Harvard Professor Avi Loeb ...