In an unprecedented celestial event, NASA's Hubble Space Telescope (HST) captured the dramatic aftermath of colliding space rocks within a nearby planetary system. When astronomers initially spotted a ...

A known exoplanet has disappeared from sight, prompting speculation among astronomers that it was never a planet in the first place and is instead the shattered remnants of a celestial smash-up. Now ...

Scientists believe the early days of our solar system were, literally, a period of violent chaos. Asteroids, comets, or protoplanets collided from all directions, dust clouds formed and then clumped ...

A new study posits that the large, approximately 5-kilometer-long mounds that dominate the appearance of the larger lobe of the pristine Kuiper Belt object Arrokoth are similar enough to suggest a ...

The universe is often portrayed as a vast stretch of emptiness, but in reality, it’s filled with unfathomable explosions, mind-bending gravitational anomalies, and an untold number of cataclysmic ...