Discover why the solar system's planets are arranged as they are, shaped by formation conditions and planetary migration.

This Saturday, Jupiter will shine at its biggest and brightest of the year as Earth passes between the largest planet in our ...

Superionic water—the hot, black and strangely conductive form of ice that exists in the center of distant planets—was ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

A study has cast doubt on the idea that Jupiter's moon Europa, where NASA has sent a spacecraft, could have conditions to ...

A test model of the Perseverance rover, designed to explore the surface of Mars, sits in a garage at NASA’s Jet Propulsion ...

Across the Milky Way, planets slightly larger than Earth but smaller than Neptune appear around most stars. Yet our own solar ...

Leonardo Testi and team investigate the initial conditions for planet formation in this special astronomy focus ...

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

Jupiter currently shines as a brilliant silvery "star" in the constellation Gemini the Twins, low in the east-northeast sky ...

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

One of the biggest recent surprises in astronomy is the discovery that most stars like the Sun harbor a planet between the ...