FedEx estimates ransomware attack cost $300 million
Its TNT Express unit suffered a blow from NotPetya in June.
Scientists revive an extinct virus using off-the-shelf DNA
It's both a blessing and a curse to medical science.
Large-scale cyberattack is spreading through Russia and Ukraine (updated)
A number of targets including banks and power companies have been hit today.
'WannaCry' ransomware attack spreads worldwide (update)
It exploits supposedly NSA-developed vulnerabilities on unpatched Windows systems.
HIV breakthrough may help scientists kill sleeping virus cells
A "biomarker" protein hangs out on T-cells where the virus hides from treatment.
Crop spray gives plants GMO benefits without altering genes
Nanoparticle-based "BioClay" protected tobacco plants from viruses.
Science exonerates HIV's 'Patient 0'
Genetic reconstruction shows that the virus had been circulating for years in the US before the patient arrived.
HIV researchers edge closer to a cure
An experimental treatment appears to have erased all traces of the virus, but the jury's still out.
Scientists watch an immune system fight the flu in real time
It could lead to better treatments for many stubborn viruses.