"The most likely explanation for the dimming is a brown dwarf – an object heavier than a planet but lighter than a star – ...

In the vast, uncharted realms of the cosmos, NASA’s telescopes have detected an eerie and peculiar celestial object. This enigmatic image, already shrouded in mystery, has only grown more perplexing, ...

Add Yahoo as a preferred source to see more of our stories on Google. The plot of the movie Independence Day could soon become reality—as early as this November. According to Harvard astronomer Avi ...

NASA’s Chandra X-ray Observatory spotted the X-ray emissions by chance last year while focusing on a supernova remnant, or the remains of an exploded star. Wang said it was the first time X-rays had ...

Scientists have discovered a star behaving like no other seen before, giving new clues about the origin of a class of mysterious objects. This object, known as ASKAP J1832, shows regular changes in ...

Astronomers at the International Centre for Radio Astronomy Research (ICRAR), working with international collaborators, have made a striking discovery involving a previously unknown type of cosmic ...

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, ...