Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

The solar system consists of our star, the sun, and everything bound to it by gravity: the planets Mercury, Venus, Earth, ...

Scientists leveraged a global camera network and doorbell cameras to track dozens of meteorites to their asteroid families.

This range aligns with theoretical predictions for Planet Nine’s distance and mass, estimated between 7 and 17 times that of Earth . The researchers initially identified 13 candidate pairs showing the ...

NASA’s Nancy Grace Roman Space Telescope is gearing up to unlock the deepest secrets of the universe with three ...

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

It's one of the first things any of us learn about astronomy – stars twinkle while planets don't. However, other point-like objects in the radio sky ...

Using data from space telescopes and other instruments, astronomers, cosmologists, and astrophysicists are able to deduce and ...

Astronomers may have uncovered a potential candidate for the elusive Planet Nine, a hypothetical planet located far beyond ...

The search for a hidden giant lurking in the far reaches of the Solar System has captivated astronomers for decades. A new ...

these mysterious objects at the edge of the solar system offer a peek into the chemical components that formed all the planets, including Earth. Those same insights are critical to scientists hunting ...

Once upon a starlit evening in December 2024, astronomers discovered something small, fast and potentially very rude hurtling ...