Pons-Brooks and Jupiter were seen by NASA's Solar TErrestrial Relations Observatory-A (STEREO-A). Credit: Space.com | NASA ...

A group of comets with unexplained movements presents a quandary D avide Farnocchia hunts down and tracks asteroids, and ...

For years, we thought a giant comet object smacked into Earth 66 million years ago, signing the collective death certificate ...

Why do comets and their meteoroid streams weave in and out of Earth's orbit and their orbits disperse over time? In a paper ...

New research suggests meteor showers are so unpredictable due to the Sun’s own motion around the solar‑system barycenter.

"Long-period comets spend most of their lives so far away from the solar system that they feel the tug from the barycenter," said Pilorz. "But every few hundred years they swoop inside Jupiter's ...

"Long-period comets spend most of their lives so far away from the solar system that they feel the tug from the barycenter," said Pilorz. "But every few hundred years they swoop inside Jupiter's ...

Enjoy dark skies for evening observing, then catch a meteor shower and a planetary conjunction in the morning sky this week.

"Long-period comets spend most of their lives so far away from the solar system that they feel the tug from the barycenter," said Pilorz. "But every few hundred years they swoop inside Jupiter's orbit ...

The orange line is the orbit of Jupiter. Image from video-based meteor observations at Earth, displayed at https://meteorshowers.org. April 16, 2025, Mountain View, CA -- Why do comets and their ...