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

Long ago, a planetary object eight times the mass of Jupiter may have once visited the solar system and altered […] The post ...

A large asteroid could be heading toward Earth within the next decade, and there's a small chance it could strike the planet, according to NASA.

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

Scientists studying samples that NASA collected from the asteroid Bennu found a wide assortment of organic molecules that ...

Mars, Venus, Jupiter, Saturn, Uranus and Neptune will be visible all at once this month. ISTOCK / GETTY IMAGES PLUS The planets in our solar system orbit the ... the apparent paths of the other ...

A new study in astrophysics has found why some planets’ paths have certain peculiar features. The formation of the solar ...

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 ...

Loki Patera is 202 kilometres (126 mi) in diameter, covers 20,000 sq km (7,700 sq mi), and was the largest volcanic feature found on Io until these new observations revealed the hot spot in the south ...

Recent studies have revealed that, until now, Hot Jupiters seem to be the only planet in orbit around their host star. This ...