Before the conflict begins in earnest, and sooner than you might expect, we’re re-introduced to Mark on Earth as he recovers from Conquest’s beatdown at the end of Season 3. The swarthy, one-armed ...

Researchers at UNSW Sydney and Monash have developed a data transmission system that hides signals in background heat radiation, making them invisible to anyone trying to intercept them.

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Astronomers have just identified what appears to be a cosmic anomaly: a faint galaxy with so few visible stars that, according to calculations, as much as 99.9 percent of its mass is dark matter. The ...