Deepa Mehta makes her digital debut with a dystopian series. The filmmaker tells Divya Unny how a particular tale can be universal in nature
Gold on earth may well have come from outer space, but the gold we can currently access has an even more interesting history
Atomic clocks can now measure differences in the passage of time for objects separated by a foot’s height on the earth’s surface.
Jupiter’s gravitational reach has a slight chance of destroying Earth someday, say astronomers