NASA's TESS mission spots Earth-size exoplanet... CNN | 2019-04-15 17:51 UTC
NASA's planet-hunting TESS mission has found its first Earth-size exoplanet in a nearby star system 53 light-years from Earth. Another exoplanet, a warm mini-Neptune, was found in the same system.
Dormant viruses activate during spaceflight...
Herpes viruses reactivate in more than half of crew aboard Space Shuttle and International Space Station missions, according to NASA research published in Frontiers in Microbiology. While only a small proportion develop symptoms, virus reactivation rates