On the world's first Asteroid Day, Nina Burleigh discovers that Nasa has already commissioned a team of 'planetary defenders' ...

NASA is using its most powerful space telescope to study the true size of the "city-killer" asteroid that has a one-in-43 ...

Engaging articles, breathtaking images and expert knowledge Issues delivered straight to your door What would happen if Earth ...

Here are today's general risks from asteroids or comets both tiny and very large. Importantly, even relatively small rocks ...

Sarakiniko is the ideal Earth analogue for space studies, especially for the exploration of the Moon and Mars, stresses Dr.