Theoretical physicist Avi Loeb says 3I/ATLAS seems to be unusually large, doesn’t appear to have a typical comet’s tail and ...

Avi Loeb, the Harvard science professor who has raised questions about an interstellar object known as 3I/ATLAS, tells ...

As the comet 3I/ATLAS plummets through our Solar System, NASA's good old Hubble Space Telescope has captured the best look ...

I was mentally giving myself the ‘diet starts tomorrow’ speech and had removed temptation by eating all the sugar-laden contents of my cupboards.

Avi Loeb, the chair of the astronomy department at Harvard, has suggested that a Manhattan-sized interstellar object, which ...

Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to pass our way.

New images from the Hubble telescope show an extrasolar entity as it hurtles through our solar system at speeds of more than ...

The latest observations of 3I/ATLAS suggest it resembles comets from the outer reaches of our solar system, but may be ...

NASA's Hubble Space Telescope got an up-close look at a headline-grabbing object known as 3I/ATLAS that has wandered into ...

Instead, scientists are looking into existing spacecraft already in orbit around other planets. Harvard Professor Avi Loeb ...

From tracking a rare interstellar visitor to revealing hidden star systems, the SETI Institute is at the forefront of space science. Explore four recent stories showcasing our role in groundbreaking ...

Harvard astrophysicist Avi Loeb suggests a comet passing through the solar system may be an alien spacecraft, sparking debate among experts.