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 ...

It would also require building less wind and solar capacity than a fragmentary system. Upfront, however, it would require investments of $117 trillion, according to the team, led by researchers ...

This mismatch “doesn’t mean it’s not there, but it means it’s not Planet 9,” Brown said. “I don’t think this planet would have any of the effects on the solar system that we think we ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, speeding through our celestial neighborhood.

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 ...

The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the Milky Way," a show at New York City's Hayden Planetarium that ...

For only the third time in history, astronomers have discovered a new interstellar object that originated from outside our Solar System. The object, known as 3I/ATLAS, is likely a comet and is ...

A typical residential solar system cost almost $29,000, before federal and state incentives, at the end of 2024, according to Energy Sage, an online marketplace for clean energy products.

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed. The object -- likely a comet -- was first detected in data collected between by ...