The Virtual Telescope Project is set to host a free YouTube stream covering the flyby starting at 7 p.m. ET (23:00 GMT) on ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. The Hubble Telescope and its Wide Field Camera 3 got an incredible view of the comet ...

F ew cosmic visitors have captured the fascination of astronomers quite like the interstellar comet 3I/ATLAS. Hurtling ...

And one day, the solar system will cease to exist. But when will the solar system end? And how will it die out? The answers to those questions depend on how we define the death of the solar system.

Image reveals unprecedented view of the third interstellar object observed passing through our solar system Big questions about 3I/ATLAS remain, some of which may be impossible to answer ...

The Vera Rubin Observatory captured this view of 31/Atlas before it was identified. C.O. Chandler et al. Nearly a month ago, a mysterious object was seen hurtling through the solar system and ...

Astronomers have discovered a "fossil" world lying in the outskirts of the solar system, according to new research.

Image reveals unprecedented view of the third interstellar object observed passing through our solar system Big questions about 3I/ATLAS remain, some of which may be impossible to answer ...