Recent simulations and research have unveiled a fascinating new insight into the history of the solar system’s terrestrial planets. For years, scientists speculated about how the rocky planets—Earth, ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its nebular gas had been consumed—Earth's solar system and its planets looked more ...

Exoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining ...

Scientists have long puzzled over how our solar system’s planets formed, because this isn’t a process they can watch unfold. Researchers have generally thought that Jupiter and Saturn grew out of ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar system. In a stunning picture ...

Planet Y is the latest in a series of hypothetical solar system planets that scientists have proposed in recent years, all ...

The planet Jupiter might be the second-biggest object in our solar system but we know surprisingly little about this strange, inhospitable world. Winds rip across its cloud tops at more than 600km per ...

The sun, the planets and asteroids in our solar system were all formed about 4,560 million years ago from a "common ancestor", a Science Week Ireland lecture was told in Dublin last night. Dr Ian ...

Analysis: more than 4,000 planets outside our solar system have been detected by astronomers to date. The question of whether we are alone in the universe has long gripped humanity, and never before ...

The James Webb Space Telescope has, for the first time, measured the carbon-rich concoction that forms a moon-forming disk of ...