Hubble’s 35-year journey showcases humanity’s boldest space achievements, capturing everything from new stars forming to ancient galaxies. Its discoveries revolutionized our understanding of black ...

The predawn hours of April 28 will see a planetary triangle form in the night sky, as Venus makes a close approach to Saturn following a conjunction, while Neptune, invisible to the naked eye, will ...

Witness the spectacular and destructive consequences of a collision between the solar system's two largest planets.

Skywatchers worldwide are in for a charming cosmic display before the sun rises Friday, as three celestial bodies will appear ...

In February, stargazers enjoyed a rare occurrence: All seven of Earth's planetary siblings dotted the night sky at once. And ...