Macquarie University astronomers have tracked an extreme planet's orbital decay, confirming it is spiraling toward its star in a cosmic death dance that could end in three possible ways.

A team of astronomers led by the Center for Astrophysics | Harvard & Smithsonian has discovered a rare object far beyond ...

From the asteroid that wiped out the dinosaurs to one that nearly hit Moscow, space rocks have shaped our history. Could we ...

After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some ...

Imagine waking up one morning to the news: a black hole is drifting close to our solar system. It sounds like the plot of a .

A renowned physicist believes he's cracked the mystery of where a giant unidentified object hurtling through our solar system ...

In October 1604, astronomer and mathematician Johannes Kepler spotted a new star in the sky and began tracking it. Over the course of several weeks, the star remained visible in the daytime and ...