New images from NASA`s Cassini spacecraft show that the plain-looking Saturn moon Dione may have once had a geologically active subsurface ocean.
Planetary scientists claim to have for the first time detected presence of oxygen in the atmosphere of Saturn`s moon Dione.
President Barack Obama's speech at Siri Fort auditorium
Day in Pics: 27th January
Showbiz World - January 27, 2015