The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

New simulations reveal that around 1 million "macroscopic" objects from our closest stellar neighbors, the Alpha Centauri ...

They're calling them "planetary embryos". Scientists believe that two asteroids might be fragments of long-lost "planetary ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

Predictions are uncertain, but the solar system may be pushed farther from the galactic core or even ejected entirely from ...

Does our Solar System have 9 planets or only 8? Astronomers have gone back and forth on that a lot, with Pluto now being classified as a dwarf planet. However, out beyond Neptune there could be ...

Some are as big as the Statue of Liberty. But these aren’t asteroids from our own solar system– they may have come from an ...

Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System. This provides another piece of the puzzle to ...

Cosmic rays coming from outside the Solar System bring these particles closer to the Sun, where they experience changes ...

From a distance, the Ivanpah solar plant looks like a shimmering lake in the Mojave Desert. Up close, it’s a vast alien-like installation of hundreds of thousand of mirrors pointed at three towers, ...