Even as high-level US-China talks are serious and thoughtful, they are also intoxicatingly colourful, says a media account.
Mars was hit by two ancient massive tsunamis billions of years ago, say Cornell University researchers. The stormy impact suggests that there were cold, salty oceans on the planet.
SpaceX, the private space company founded and owned by Elon Musk, successfully delivered a load of supplies to the International Space Station, but failed to land the rocket on a floating platform on its return to Earth.
NASA will partner with four private firms in U.S. for new space exploration program which would eventually see American astronauts return to Moon and land on Mars.
