The Sun is 4.6 billion years old, but what did it look like in its early years?

The Sun is 4.6 billion years old, but what did it look like in its early years?
Space rock could be making its way through the Earth’s atmosphere more than we realise
An innovative new Finnish space mission recently presented to the European Planetary Science Congress could enable a massive survey of up to 300 asteroids
Planets can have moons but can large asteroids have them too?
After ruling out the transportation of substances by asteroids and comets, scientists conclude that organics likely originate from Ceres
In the first billion years of Earth’s history, the planet was bombarded by primordial space rocks, while a faint Sun provided much less heat
Astronomers are busy tinkering with a high-tech instrument that could discover a variety of objects both far from Earth and closer to home
Bright spots seen by NASA’s Dawn spacecraft on the surface of dwarf planet Ceres are likely to be salt deposits
Moving features within the dusty disc surrounding young star AU Microscopii have been discovered
Water discovered on the lunar surface didn’t come from comets, according to new research
We take a brand new breathtaking tour of dwarf planet Pluto in the latest issue
We find out if it’s easy to spot the chunks of space rock that litter our Solar System
How do we know for sure that this distant world is an exoplanet and not a comet or an asteroid?
Just when comets were the only space rocks thought to have tails, along comes asteroid P/2013 P5 with six.
Find out what makes these space-faring rocks so interesting.