An asteroid with a tiny chance of striking Earth in 2032 is triggering planetary defense planning
YR4 might force NASA to plan the first-ever space mission to push an asteroid away from Earth. Most likely, though, it's a non-threat.
Oxford researcher discovers new super-Earth HD 20794 d just 19.7 light-years away
Earth' exoplanet, HD 20794 d, was published in the scientific journal Astronomy & Astrophysics. Located approximately 19.7 light-years away from Earth in the Eridanus constellation, the exoplanet is ...