Indian-led scientists' team discover why comet appears black
Centaurs estimated to number around 44,000 are minor planets with diameters larger than one kilometre.
Jan 25, 2016, 16:47 PM ISTIncrease in Antarctic snow is greater than losses: NASA
A new NASA study has revealed that the mass gains of Antarctic Ice Sheet is currently adding enough ice to the continent to outweigh the increased losses from its thinning glaciers.
Nov 01, 2015, 00:04 AM IST