New research suggests that Jupiter, the largest planet in our solar system, was once even bigger—about twice its current size—and had a magnetic field 50 times stronger than it does today. This ...

China launched its first asteroid sample-return mission, Tianwen-2, in the early hours of Thursday, an endeavour to shed ...

Our solar system’s origin story spans billions of years and involves clouds of gas, cosmic collisions, and planetary ...

A new analysis of planet formation models estimates the odds of a theoretical Planet Nine orbiting our sun at 40% given ...

With an atmosphere, by mass, of primarily hydrogen (76 per cent) and helium (24 per cent), and by volume of 89 per cent ...

Planets with unusually wide orbits may be normal by-products of the formation of planetary systems. This is suggested by new simulations.

Scientists suggest a star and its planet are orbiting a second star in two opposite directions in an exotic binary star ...

A groundbreaking discovery confirmed by NASA surrounding a young star offers new insights into planet formation and the role ...

Jupiter may have once been more than twice its current size, with a magnetic field 50 times stronger, say scientists who ...

Astronomers have found a new minor planet beyond Pluto. This object, named 2017 OF201, is quite large. It orbits far from the ...