Earth's Day Was Stuck at 19.5 Hours Long For Over a Billion Years

Astronomers Find an Astonishing 'Super-Earth' That's Nearly as Old as The UniverseStarlink Satellites Are Now Invisible to The Naked Eye, But Astronomers Still See Them

A Distant Galaxy Is Flaring With Strange Regularity, And Scientists Have Figured Out WhyAstronomers Have Identified Another Important Aspect of Planets That Could Host LifeAstronomers Detect The Most Distant Quasar to Date, Over 13 Billion Light-Years Away

This Breathtaking Close-Up of Mars' 'Grand Canyon' Is Giving Us GoosebumpsFor The First Time, Astronomers May Have Heard The Background 'Hum' of The Universe

An Astronomer Who Believes in Aliens Explains Why He's Not Convinced by UFO Sightings

A Tiny, 'Cold' Star Has Released One of The Most Powerful Superflares Ever SeenAstronomers 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