The Cost of Visiting Earth May Be Too Astronomical For Aliens

Astronomers Have Found a Peculiar New Type of Star That Only Pulses on One SideWe May Have Finally Found a Chunk of Theia Buried Deep Inside The Moon

Betelgeuse Isn't Exploding: Mysterious Dimming Turns Out to Be Giant Dust SneezeDetailed Tests Show Space-Grown Lettuce Is as Safe And Nutritious as Earth LettuceMagnetic Fields Around NASA's Mars Lander Are 10 Times Stronger Than Scientists Expected

Faster-Than-Light Speeds Could Be Why Gamma-Ray Bursts Seem to Go Backwards in TimeOrganic Molecules Found on Mars Could Have a Biological Origin, Study Shows

NASA's 2020 Mars Rover Now Has an Official Name, And It's Beyond Sweet

Discovery of 'Ultra-Massive' White Dwarf Suggests Two Stars Merged Into OneHere's Why Joints Crack And Pop, And What It Really Means For Your Poor Old Body

Major Study Finds Pregnancy Issue Actually Linked to Autism, And It's Not VaccinesPeople Are Getting Dangerously High on a Bizarre Catnip Cocktail For 'Pet Anxiety'

11 Simple Things You Should Do to Beat The Daylight Saving 'Jet Lag''Unhealthy' And 'Confusing' Daylight Saving Switches May Stop if US Passes This Law