The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

As J.R.R. Tolkien wrote in The Fellowship of the Ring, “Not all those who wander are lost.” But in the case of planets, it’s possible that most of them are.

New research suggests meteor showers are so unpredictable due to the Sun’s own motion around the solar‑system barycenter.

A group of comets with unexplained movements presents a quandary D avide Farnocchia hunts down and tracks asteroids, and ...

K2-360 is a newly found planetary system with a super-dense planet, likely the core of a former larger world, shaped by ...

Further studies are needed to determine whether K2-18b, which orbits a star 120 light-years away, is inhabited, or even ...

Scientists have known for a while that Mars currently lacks a magnetic field, and many blame that for its paltry atmosphere – ...

The trans-Neptunian object Altjira, 44 times farther from the Sun than Earth is, could be the second known trinary, confirming a theory about the formation of our solar system.

"Over time, as the planet cools down, in the outer regions of the atmosphere ... The work has implications for planets outside our solar system, such as K2-18 b and TOI-270 d, which have been ...

Astronomers have discovered two new exoplanets that are similar to other worlds found in the Milky Way, but are unlike any in our own solar system ... of the inner planet, the outer planet ...

"The algorithm achieves precision values of up to 0.99, which means that 99% of the systems identified by the ...