On December 19, avid skywatchers can catch a glimpse of the mysterious visitor through powerful binoculars or a telescope ...

While these free events do indeed happen each month, the gathering that's set to sparkle Dec. 20 feels a bit special: It's ...

With 3I/ATLAS slated to make its Earth tour in two days, amateur photographers and astronomers alike are scrambling to catch ...

Astronomers have made a truly mind-boggling discovery using the James Webb Space Telescope (JWST): a runaway black hole 10 ...

Recently discovered interstellar comet 3I/ATLAS have been captured using the European Southern Observatory's Very Large ...

James Webb telescope data confirms the first known runaway supermassive black hole, revealing how it escaped its host galaxy, how scientists tracked it and what its discovery means for galaxy ...

Scientists detect ultraviolet signs of water in interstellar comet 3I/ATLAS, using NASA’s Swift telescope to study its activity far from the Sun.

The Hubble Space Telescope and the Jupiter Icy Moons Explorer have captured fresh images of an interstellar comet as the ...

SETI's 1977 "Wow!" signal from deep space was even stronger than originally thought, but its source remains a complete ...

Unlike YR4, finding earlier observations of 3I/ATLAS to model where it might have come from was easier said than done. During ...

Our understanding of the true nature of the cosmos relies on measurements of its expansion, but cosmologists have been ...

A mysterious cloud of ultra-hot dust around Kappa Tucanae A may finally have an explanation: a hidden companion star. The ...