An alien comet is now passing through our solar system. Here's what we know Scott SutherlandMeteorologist, Science Writer Published on Jul. 12, 2025, 4:00 AM Updated on Jul. 21, 2025, 6:00 AM ...

Most meteorites, however, originate from the solar system's main asteroid belt —a vast region between the orbits of Mars and Jupiter where more than a million asteroids circle the sun.

The object is speeding through the solar system at 68 kilometers per second (152,000 mph) relative to the sun, and it poses no threat to Earth, according to NASA.

A new look through decades-old data has unveiled some of the most compelling evidence yet of a hidden ninth planet in the far reaches of our solar system, far beyond ...

Predictions of the LSST Solar System Yield: Near-Earth Objects, Main Belt Asteroids, Jupiter Trojans, and Trans-Neptunian Objects. The Astronomical Journal (submitted to arXiv), 2025 DOI: 10.3847 ...

Astronomers have discovered a new world circling the outer edges of our solar system. Researchers using the Subaru Telescope, located in Hawaii, spotted a small, distant object called 2023 KQ14 ...

The Planetary Science Institute is a private, nonprofit 501 (c) (3) corporation dedicated to solar system exploration. It is headquartered in Tucson, Arizona, where it was founded in 1972.

Using data from the eROSITA All-Sky Survey, astronomers have created a 3D map of the low-density bubble of X-ray-emitting, million-degree hot gas that surrounds the solar system.

This allowed our Solar System to be differentiated from deep-sky objects, but it didn't lose its mystery as more and more remarkable bodies were discovered within its boundaries. Date 2014 Type Books ...

The solar system doesn't end with the Kuiper Belt. In 2004, astronomers announced the discovery of a reddish, planet-like object that never gets closer to the sun than three billion kilometres ...