This video explains why planets in our solar system orbit in nearly the same plane, tracing their origins back to a rotating ...

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

Copernicus proved the Earth and other planets orbit the sun, challenging centuries of belief and risking persecution for sharing his heliocentric view.

Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

The Sun’s poles may hold answers to long-standing mysteries about magnetic cycles, solar wind, and space weather. The polar ...

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without being gravitationally tied to Earth ...

The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...

Using NASA’s James Webb Space Telescope, researchers observed auroras warming the rogue planet’s upper atmosphere.

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are ...

On Sept. 24, 2025, NASA launched two new missions to study the influence of the Sun on the solar system, with further missions scheduled for 2026 and beyond.

Astronomers have discovered 2017 OF21, a distant dwarf planet candidate located about 90 times farther from the Sun than Earth, making it more than twice as far as Pluto. With a highly elongated orbit ...

Andrew Winter's team at Queen Mary University of London analyzed fifteen disks around young stars. They used the ALMA array to measure Doppler shifts of carbon monoxide. This technique reveals the ...