Mundane wayward space rock, or extraterrestrial visitor? Astronomers believe that our solar system's latest and only third ...

An "interstellar object" discovered only last month is hurtling through the Solar System at an unprecedented 210,000 ...

NASA is tracking a mysterious, fast-moving object entering our solar system, raising questions about whether it's just a ...

Astronomers are buzzing over a mysterious interstellar object named 3I/Atlas, traveling through space at more than 100,000 miles per hour. While many believe it’s a comet, Harvard physicist Dr.

The internet is full of sharp-eyed sleuths who can solve mysteries in no time. From strange objects found in attics to ...

Last month, astronomers made an exciting discovery, observing an interstellar object — only the third of its kind ever ...

Interstellar object 3I/ATLAS shows an unexpected frontal glow that Harvard's Avi Loeb says cannot be explained by sunlight ...

Some experts theorized about an object spotted in the night sky over Philadelphia, but a new theory on the sighting is being bandied by scientists.

"At the moment, Punctum truly stands apart — it doesn't fit comfortably into any known category," said Shablovinskaia. "And ...

Drawing on observations from NASA’s James Webb Space Telescope, researchers at the University of Missouri have identified 300 unusual candidates for early galaxies. In a recent study, researchers from ...

“These mysterious objects are candidate galaxies in the early universe, meaning they could be very early galaxies,” said ...

The exciting discovery of an extremely rare quadruple star system could significantly advance our understanding of brown ...