Another crucial instrument on the Curiosity Mars rover has had its first test: the Dust Removal Tool, used to sweep dust from the rover's target rocks.
A new study has found that many microbes are able to cross the Pacific Ocean on dust plumes.
A completely unexpected spiral structure observed around an ancient star could offer a glimpse of what our own sun has in store.
The moon could be a highly toxic place, say scientists, warning of cancer and breathing problems even when astronauts remain in their space suits.
A ring of dust around the nearby star Fomalhaut is created by the collision of thousands of comets every day.
The fat, doughnut-shaped clouds of dust that surround about half of supermassive black holes could be the remnants of planets and asteroids that have smashed into each other at incredible speeds.
Samples brought back from the Itokawa asteroid indicate that it's made up of the remnants of a much larger body.
An international team of astronomers has discovered 96 star clusters hidden by dust in the Milky Way galaxy.
Japanese scientists say they're certain that particles captured by the Hayabusa spacecraft are indeed from the Itokawa asteroid.
Researchers have developed a system allowing large-scale solar power installations to keep themselves clean, based on technology developed for missions to Mars.