Republican lawmakers in Pennsylvania challenge state, federal actions to boost voter registration

Experimental Probiotic May Prevent Organ Damage From Alcohol, Scientists Say

Scientists Just Detected This Life-Forming Molecule in Interstellar Space For The First TimeWATCH LIVE: SpaceX Is About to Launch One of Its Most Ambitious Missions So Far

We'll Need to Wait 1,500 Years Before Alien Contact Becomes Likely, Scientists SayHere's How to Live Stream This Friday's Blue Origin Launch (And Crash Landing)Curiosity Just Found Evidence of Ancient Monster Volcanoes on Mars

This Is The Watery Grave The ISS Will Plummet IntoAstronomers Say There Could Be at Least 2 More Mystery Planets in Our Solar System

Scientists Might Have Finally Figured Out Where The Rarest Crystals on Earth Formed

Scientists Just Discovered The Largest 'Tatooine' Planet Yet Orbiting Two SunsAstronomers Detect Unexpected Class of Mysterious Circular Objects in Space

Interstellar Travel Could Make Human Language Evolve Beyond Recognition, Study SaysHubble Captures Photo of a Stunning 'Fluffy' Galaxy With an Oddly Empty Centre

Things Are Really Weird in The Outer Solar System, And We May Have Figured Out WhyGlistening 'Gel-Like' Substance on Far Side of The Moon Finally Identified