General Nhlanhla Mkhwanazi told the Madlanga Commission that he is baffled by Shadrack Sibiya's progression to the highest office in the SAPS despite some serious allegations against him.
With help from amateur astronomers, scientists tracked how an asteroid travelled from space, broke up in Earth's atmosphere and sent fiery fragments shooting to the ground, gathering new information about how these space rocks disintegrate.
The UK's foreign intelligence service MI6 on Friday launched a "dark web portal" to try to recruit spies in Russia and around the world by offering a them secure communication channel.