The Sun erupted with an X-class detonation just as 3I/ATLAS enters the final stretch of its inbound trajectory—a timing that ...

The yet-to-be-peer-reviewed findings indicate that comet 3I/ATLAS shares similarities with the icy trans-Neptunian objects — ...

Now, Harvard scientist Avi Loeb has added a new and surprising idea: the tail of 3I/ATLAS may not be a normal tail at all. Instead, he thinks it could be made up of a swarm of unknown objects ...

Keck II telescope observations of interstellar object 3I/ATLAS found "evidence for a puzzling anti-tail extension" pointing at the Sun. Interstellar object 3I/ATLAS continues to fascinate astronomers ...

Astronomers have discovered 3I/ATLAS, the third known interstellar comet to pass through our solar system. Detected by the ATLAS telescope in Chile, it’s racing inward at 150,000 mph and will swing ...

Interstellar object 3I/ATLAS is expected to reach its perihelion, or the closest point to the Sun in its highly eccentric path through our solar system, on October 29. Earlier this week, it reached ...

Ultraluminous X-ray sources are objects that shine 10 million times as bright as the sun. Scientists have said they are too bright to exist, as they break the Eddington limit. A new study confirmed ...