Alan Pickup, The Guardian

A previously unobserved meteor shower may stream from the northern sky on the morning of 24 May to produce perhaps the year's best display. Observers in N America may enjoy an excellent view but, sadly, its climax is predicted to occur after daybreak for Britain.

Two projects taking advantage of a three-week optimum launch window for flights to Mars – including India's first interplanetary mission

A comet found recently beyond the orbit of Jupiter could well become spectacular late next year and may be a sibling of one of the most celebrated comets of all time.