An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

Astronomers have made a groundbreaking discovery in the WASP-132 system, finding two new planets that defy previous ...

NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer planets of our solar system.

Theorbits of Jupiter, Saturn, Uranus and Neptune may have been altered by the fly-by of an enormous object from deep space, billions of years ago. According to a pre-print research paper ...

A rare parade of planets will light up the night sky throughout January. Six planets will be in alignment for the rest of the ...

Astronomers discovered supersonic winds on a giant gas planet located over 500 light-years from Earth. In a study released ...

The fastest planetary winds ever found are tearing across a distant gas giant.

Further simulations on flybys into the inner Solar System revealed one of our own planets might be flung out of the ballpark ...

Jan. 15, 2025 — Hot Jupiters are giant planets initially known to orbit alone close to their star. During their migration towards their star, these planets were thought to accrete or eject any ...

A planet-sized visitor possibly visited the solar system billions of years ago and permanently changed the cosmic neighbourhood by warping the orbital path of four outer planets of the system, a ...