Five ions detected in 3I/ATLAS reveal an unusually nitrogen-rich comet whose ices may preserve an extraordinarily cold ...

Astronomers have discovered that 3I/ATLAS, the third known object to arrive from beyond the solar system, formed in an ...

Interstellar comet 3I/ATLAS contains exceptionally high levels of methanol, suggesting it formed under conditions very different from those that shaped most comets in our solar system. ALMA also ...

UK astronomers have uncovered new clues about the origin of 3I/ATLAS—only the third known object from beyond the solar system ...

3I/ATLAS is surrounded by “a complex jet structure,” new images show, sparking fresh speculation that the Manhattan-sized interstellar object could be an artificial alien craft. The images, captured ...

The earliest images of 3I/ATLAS, newly uncovered by Michigan State University, reveal how the interstellar object evolved as it traveled through our solar system—and how other distant solar systems ...

NASA has released a long-awaited collection of new photos of comet 3I/ATLAS, the interstellar visitor that has been making headlines since its discovery in July. Several NASA spacecraft snapped the ...

A comet from another star system is due to make its closest—and final—approach to Earth this week before it continues on its journey back toward interstellar space. Interstellar Comet 3I/ATLAS will ...

Benevolent interloper or interstellar poison pill? With 3I/ATLAS set to fly by Earth in two weeks, Harvard professor Avi Loeb is debating whether our interstellar visitor is friend or foe — an answer ...

There's been a lot of hype and rumours about alien comet 3I/ATLAS lately. So, where is it now, what did it look like when it passed Mars and through its closest distance to the Sun, when will it ...

Scientists like Avi Loeb spotlight anomalies hinting at alien tech as it hurtles past Mars on 3 October. NASA & ESA track this potential spaceship—could it change everything? A signal unlike any other ...

When the interstellar object 3I/ATLAS crossed through the solar system, it gave Yuri Milner's Breakthrough Listen project a ...