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

Far beyond Neptune, something massive may be warping the orbits of distant worlds. This film follows the scientists chasing ...

A new moon has emerged in orbit around Uranus, adding another member to the planet's growing celestial family.

Scientists found two Earth-sized planets and a third candidate orbiting a nearby double star system, TOI-2267.

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers have detected a new exoplanet ...

About 50 light-years from Earth, a gas giant about half the mass of Jupiter orbits a sunlike star. The discovery of Pegasi 51 b ushered in a new era of exoplanet research.

Scientists have discovered a rare six-planet system, HD 110067, where all planets orbit their star in perfect mathematical ...

The full moon reaches its peak early in the morming of Wednesday, November 5, so look for it in the sky on November 4 and 5.

Super moons occur when the moon passes close to the Earth during a full moon phase. While the moon orbits our planet, it does ...

Perihelion for 3I/ATLAS takes place on Oct. 30, when the interstellar interloper will be 1.35 astronomical units (125 million ...

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three dimensions.

Jupiter's rapid early growth dramatically reshaped our solar system, scientists now reveal. Its immense gravity acted as a ...