A newly discovered interstellar object is racing toward our solar system, capturing the attention of scientists worldwide. Unlike other known celestial bodies, this object appears to be emitting its own light, raising questions and sparking debates about ...

NBC News' Gadi Schwartz reports on "3I/ATLAS," a mysterious outer space object that is thought to be billions of years old, making its closest approach to Earth, giving scientists an opportunity to study it before it travels further away.Dec. 20, 2025 ...

Last month, astronomers made an exciting discovery, observing an interstellar object — only the third ever observed — hurtling toward the center of the solar system. The object, dubbed 3I/ATLAS, has caught the attention of Harvard astronomer Avi Loeb ...

If you have a favorite planet or star, you're in good company. Astronomers who devote their lives to the study of peculiar outer space objects are all too happy to gush about the ones they like best. From the cradles of new planets to the violent ...

Direction of Object 1 and 2 (solid yellow line). The green squares represent their possible locations based on the kinematic distance estimates (see Section 4.3 and 4.4). The background is an artist's conception of the Milky Way (R. Hurt/NASA/JPL-Caltech/ESO).

The outer reaches of our Solar System continue to reveal a complex dynamical environment where the interplay of gravitational forces shapes the orbits of a myriad of distant bodies. Research in this field encompasses the study of trans-Neptunian objects ...