A once-in-a-generation asteroid broader than the width of Manhattan will be passing by the Earth — and there’s a chance you can see it for yourself. The space rock 877 Alinda, one of the five largest expected to safely but closely zoom past our planet this century,

NASA will explore two different strategies for fetching Mars rocks collected by the Perseverance rover, and there's a chance these samples contain evidence of alien life.

Bringing Martian rock and soil samples to Earth is among the top priorities of planetary scientists. By studying fresh rocks up close with the latest, most powerful instruments in their laboratories,

Nasa has unveiled a revised plan to bring samples from the surface of Mars back to Earth. The space agency has announced it would be pursuing two potential options, both costing around $7billion, to retrieve rock and soil samples currently being collected by the Perseverance rover - dramatically reducing the mission's cost from $11bn and