An interstellar visitor is behaving in a way astronomers rarely see—and cannot yet fully explain. [USA HERALD] - When ...

A stray comet will make its closest approach to Earth this week in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as 3I/Atlas will pass ...

When the first confirmed interstellar visitor, 'Oumuamua, tumbled through our solar system in 2017, it left a trail of unanswered questions and a frantic scramble for data. Fast-forward to late 2025, ...

A cosmic traveler from beyond our solar system is making its closest approach to Earth this week, offering astronomers and stargazers a fleeting opportunity to witness a visitor from another star ...