A professor of engineering breaks down what the 'Oumuamua projectile could possibly be and the secrets it could hold–but we still have no definite answers.
When Carl Sagan's team sent two gold-plated records into space in 1977, it wanted to make alien contact. Forty years later, those time capsules are hurtling beyond the reaches of the Solar System, still seeking intelligent life.
The Indian Space Research Organisation communication satellite GSAT-19, carried onboard the Geosynchronous Satellite Launch Vehicle, launches from Sriharikota on June 5th, 2017.