NASA astronauts Sunita Williams and Butch Wilmore, stranded in space for eight months, conducted their first spacewalk.

YR4 were to strike, the consequences could be severe. ESA estimates that an asteroid of this size collides with Earth every few thousand years, with the potential to cause significant destruction.

Mrs Gregory, 35, said she bought the chimney as a birthday surprise for her husband, who only found out about it after the ...