NASA is closely monitoring a building-sized asteroid as it makes its closest approach to Earth today, among a group of five other space rocks passing by our planet over the next two days. The asteroid ...

A new model has been developed to simulate interstellar activity within our solar system and the nearby Alpha Centauri system. Interstellar material has been found within our solar system, but ...

Now a different group has looked at its orbital past, suggesting a likely place of origin: the middle of the main asteroid ...

THE dazzling Lyrid meteor shower is set to rain over Earth this Easter, with outbursts of up to 100 shooting stars per hour.