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

For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...

Why is Pluto no longer a planet? Discover the real reason behind Pluto’s reclassification as a dwarf planet and the science that led to this change.

Pluto isn't alone—it's part of the Kuiper Belt with possibly hundreds of other planet-sized objects. Because Pluto hasn't achieved gravitational dominance in its region, the International Astronomical ...

NASA and ESA monitor asteroid 2024 YR4, which has a 1.2% chance of impacting Earth in 2032. Learn about Near-Earth Objects ...

An alignment of six planets will dazzle in January 2025. Venus, Mars, Jupiter, Saturn, Uranus and Neptune will align in the night sky. "The whole month of January is a great time to see the ...

Uranus has the craziest tilt in your Solar System. Its tilt is about ninety-eight degrees. That means its north pole is ...

Beyond Neptune lies the Kuiper Belt, a vast expanse of icy bodies that may hold clues to the solar system’s formation. These ...

Asteroids, comets and Kuiper belt are bodies smaller than planets that orbit the sun. Asteroids are composed of metals and rock, whereas comets also contain ice and dust. The Kuiper belt is a ...

T Tauri star's brightness fades due to a thick gas and dust disk Astronomers predict T Tauri could disappear from the sky Amateur astronomers urged to monitor T Tauri's dimming event ...

Until that happens, the best the universe can offer is aligning planets, we’re afraid – but it’s still pretty exciting. For a few brief evenings around February 28, every planet in our solar ...