The fact that the Sun (a star) is at the center of the solar system was just a coincidence | The Sun can also wobbleThe Sun ...

Ariel, one of Uranus’ moons, may once have contained a subsurface ocean more than 100 miles deep beneath its fractured icy shell. The finding, combined with similar evidence from Miranda, suggests the ...

Exoplanet magnetic field measurement became possible for first time as astronomers used MeerKAT to detect circularly ...

A new study suggests that our solar system’s smallest planet has shrunk by up to 30 percent since its birth roughly 4.5 ...

Our solar system appears beautifully organized, but its stability is actually the result of an incredibly delicate cosmic equilibrium developed over billions of years. Toying with the positioning of ...

Ancient Greek astronomer Aristarchus was the first who presented the heliocentric system, maintaining that the Earth revolves around the Sun.

SolarBalls — a space animation that blends comedy with educational content about the solar system and the universe.

NASA’s Lunar Reconnaissance Orbiter (LRO) has detected the largest newly formed crater ever found in the solar system, ...

The number of rocky extrasolar planets being discovered continues to increase, but so too does the apparent diversity of such worlds.

Thousands of planets have been discovered beyond our solar system, offering clues to where life might thrive and whether Earth is truly unique.

The findings come courtesy of data gathered by the Mercury MESSENGER spacecraft—a ship whose name was derived from the decidedly clumsy acronym “MErcury Surface, Space ENviron ...

Telltale wrinkles that cover Mercury, the closest planet to the sun, suggest it was once a larger world that has shrunk in size — and it may be shrinking more than scientists realized. The smallest ...