The moment an object from another star system appears in survey data, astronomy shifts into sprint mode. Interstellar visitors do not linger, and each one offers a narrow window to study material ...

Strange objects from other star systems are visiting our solar system. These interstellar visitors are scientifically valuable but disappear quickly. Scientists are calling for a global response ...

The interstellar comet 3I/ATLAS was the third object ever discovered in our solar system that originated from another star system. Despite a viral conspiracy theory, NASA officials have repeatedly ...

It ain't from around these parts of space.

Astronomers have reportedly discovered a skyscraper-sized asteroid moving through our solar system at a near record-breaking pace. The asteroid, named 2025 SC79, circles the sun once every 128 days, ...

Samples from Ryugu, a small, near-Earth asteroid, preserve natural remanent magnetization (NRM) from the early history of the solar system. However, despite multiple studies, there is currently no ...

Microscopic crystals extracted from meteorites could help settle a debate about the birth of our patch of the Milky Way.