The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in circular orbits around the Sun on a flat disk. But in reality, our Solar ...

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

New research suggests that a massive, unidentified object might have passed through our Solar System billions of years ago, ...

Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds ...

Michigan State University and NASA researchers discover seven dark comets that reveal new solar system secrets.

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 ...

The exoplanet Enaiposha, or GJ 1214 b, is a hazy world orbiting a red dwarf star about 47 light-years from Earth. Previously likened to a mini-Neptune, in-depth observations obtained using JWST now ...

Both systems include a moon that is a large fraction of the size ... Dec. 19, 2024 — New studies offer a clearer picture of how the outer solar system formed and evolved based on analyses of ...

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

Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds up to 33,000 km/h, the winds make up the fastest jet-stream of its kind ever ...