The discovery of fast-moving object 3I/Atlas has sparked debate, with Harvard's Avi Loeb suggesting it might be an alien ...

A newly spotted interstellar comet is passing through our solar system at a blistering speed of 130,000 miles per hour, ...

For years, astronomers treated Vesta as more than just an asteroid. With its rocky surface, distinct layers, and volcanic history, it seemed to be a miniature version of Earth—something between a rock ...