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

Comets that have hit Earth have been a mixed bag. Early in Earth's history, during the solar system's chaotic beginning, they ...

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

Arguably, the highlight for astrophotographers this month is comet C/2025 F2 (SWAN)’s brush with the Pleiades open cluster to ...

The solar system consists of our star, the sun, and everything bound to it by gravity: the planets Mercury, Venus, Earth, ...

Once you remember that the sun also orbits the solar system's common center of mass, it all makes sense. Our sun is wobbling, ...

A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible ...

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

Hubble is still going strong 35 years after it was launched into space. Celebrate its anniversary with some out-of-this-world images.

However, inside the orbit of Jupiter, the sun's gravity is great enough to make the meteoroids orbit the sun rather than the barycenter, hence they become heliocentric. "Long-period comets spend ...