Hundreds of mysterious objects have appeared in images captured by the Webb space telescope. The curious dots could reshape scientists’ understanding of the cosmos.

Scientists recently discovered a mysterious object in outer space that, for a time, was sending out regular bursts of energy in a way that researchers hadn't previously observed. According to an ...

Far out in the dark between the stars, a small visitor is carving a path through our solar system and leaving behind patterns that look disturbingly deliberate. The interstellar object known as ...

Four days after launching on its third-ever mission, China's mysterious Shenlong robotic space plane has apparently deployed 6 unknown objects in orbit. Some of them appear to be emitting signals.

Add Yahoo as a preferred source to see more of our stories on Google. NBC News' Gadi Schwartz reports on "3I/ATLAS," mysterious outer space object that is thought to be billions of years old, making ...

Witnesses described an intensely bright object racing across the sky from the southwest to the northeast, leaving behind a ...

Add Yahoo as a preferred source to see more of our stories on Google. This image shows the location of Cloud-9, which is 2000 light-years from Earth. The diffuse magenta is radio data from the ...

A team of astronomers have conducted a study that has lifted the veil on a nearly 100 year mystery that explains an odd dark ...

Here’s what you’ll learn when you read this story: A mysterious reddish object that formed only 90 million years after the Big Bang was observed by the James Webb Space Telescope. If it is a galaxy, ...

The United States Space Force has been testing its top-secret Boeing X-37B space plane for over a decade. Two versions of the unusual spacecraft have completed seven orbital missions over the last 15 ...

(Nanowerk News) Dark matter is an enigmatic form of matter not expected to emit light, yet it is essential to understanding how the rich tapestry of stars and galaxies we see in the night sky evolved.