Discover 3I/ATLAS, an interstellar comet with a reddish hue, rich in water ice, and possibly predating the solar system.

A recently discovered interstellar object, 3I/ATLAS, could potentially be the oldest comet ever observed, predating our solar ...

Professor Avi Loeb, a theoretical physicist and cosmologist from Harvard University, told MailOnline why he thinks a new ...

A mysterious object, first observed hurtling across the solar system on July 1, has now been identified as "very likely to be the oldest comet ever."  The interstellar object 3I/ATLAS could be around ...

A newly discovered object from deep space may be the oldest comet ever observed—possibly more than 7 billion years old, and ...

Scientists determine if an object is interstellar by computing its trajectory and observing its speed, as demonstrated with the recently discovered 3I/Atlas.

On Episode 168 of This Week In Space, Rod Pyle and Tariq Malik jump into the headlines, and boy are there a lot of them! Welcome to the "Survivor: NASA" edition!

I/Atlas was first spotted on July 1 by the Asteroid Terrestrial-impact Last Alert System (Atlas) survey telescope in Río ...