Astronomers have recently detected a rogue planet entering our solar system, marking a rare event that has sparked ...

One popular explanation for Jupiter's fuzzy core involved a catastrophic collision early in the planet's history. Scientists ...

Scientists’ model indicates that dark matter inside gas giants could collapse into black holes detectable by observation.

Scientists may have found the first planet ever detected around our closest “solar twin,” a star called Alpha Centauri A, the ...

The immensity of space makes it impossible for humans to discover every hiding place the universe holds. Its infinitude makes ...

But it’s not just looks. Rocky composition, general size, orbital behaviors—a lot of those qualities can be the same on both ...

NASA's SPHEREx mission has made headlines by capturing data from the interstellar comet 3I/ATLAS between August 7 and August 15. This groundbreaking observation not only showcases the capabilities of ...

(Image credit: alexandarilich/Getty Images) Our solar system has been around for 4.6 billion years. While that sounds like a long time, it's just a blip in the 13.8 billion-year story of the universe.

This process, called accretion, is how everything in the solar system – planets, moons, comets and asteroids – came into being. Telescopes can see young solar systems being born.

This artist’s concept depicts one of the solar system’s inner planets slamming into Earth after being nudged on a collision course by a passing star. Such a world-shattering cataclysm is ...