The origins of the cigar-shaped alien 'asteroid' 'Oumuamua

One of the highlights of 2017 was the discovery of the first object in our solar system that definitely came from somewhere else. At first we thought it was a comet, then an asteroid, and now the International Astronomical ...

SpaceX gets nod to put 12,000 satellites in orbit

SpaceX got the green light this week from US authorities to put a constellation of nearly 12,000 satellites into orbit in order to boost cheap, wireless internet access by the 2020s.

Scientists harvest 1st vegetables in Antarctic greenhouse

Scientists in Antarctica have harvested their first crop of vegetables grown without earth, daylight or pesticides as part of a project designed to help astronauts cultivate fresh food on other planets.

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