A new material called Alloy 30 shrinks when it is heated and expands when it is cooled and it could help with telescope ...

July's full moon -- known as the Buck Moon or the Thunder Moon -- will light up the night sky on July 10 and be at its ...

Astronomy news always seems to break over coffee, on laptop startup. That was the case on Wednesday morning, when word of a curious new object started flashing across the message boards.

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

Mars shines in the evening, and is joined briefly by Mercury. Jupiter joins Venus as the month goes on. And all month, look ...

It appears our solar system is getting more popular with out-of-towners. Astronomers may have found a third interstellar ...

A11pI3Z is only the third interstellar visitor to be discovered, and astronomers can’t say yet whether it is a comet or a ...

In his new book '52 Assignments: Night Photography', award-winning astrophotographer Josh Dury invites you to raise your lens ...

Scientists believe that many more such objects regularly pass by the Earth, with a number of them flying relatively near to ...

"Astronomers may have just discovered the third interstellar object passing through the Solar System!" the agency's ...

The extraordinary event temporarily shut down equipment at the ALMA Observatory, and the snow reached the telescope's main ...