Harvard astrophysicist Avi Loeb has cowritten a research paper speculating whether the comet 3I/ATLAS is in fact "hostile" ...

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

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

Scientists estimate the object to be more than 12-miles-wide, speeding at 37 miles-per-second, relative to the sun.

I/ATLAS is just the third recorded interstellar object to enter the solar system. However, the scientific consensus is that ...

Nearly a month ago, a mysterious object was seen hurtling through the solar system and later confirmed as an interstellar ...

Learn more about a sednoid called Ammonite that has been detected in the outer reaches of the Solar System.

By Thursday, July 3, the International Astronomical Union’s Minor Planet Center confirmed that an interstellar object was, indeed, traveling through our cosmic neighborhood, naming it 3I/ATLAS.

Data from observatories is sent to the Minor Planet Center, an international organization that collects information on asteroids and other small bodies in space. NASA’s Center for Near Earth Object ...

However, citizen scientists with small telescopes can still make significant contributions, especially before and after perihelion, by submitting their observations to the UNISTELLAR network or ...