Tree-Planting Campaign Started on YouTube Raises Over $8 Million in Less Than a Week

This New Optical Device Could One Day Detect Plant Life on Distant Alien WorldsAstronomers Have Discovered an Incredibly Small Object Orbiting Neptune

Astronomers Just Found 300,000 Hidden Galaxies in Just a Tiny Patch of SkyHere's Why You Don't Want to Miss Tonight's 'Super Snow Moon'Astronomers Have Detected a Previously Unnoticed 'River of Stars' Flowing Past Earth

An Asteroid Will Block Our Brightest Star on Monday, And Astronomers Need Your HelpElon Musk Says SpaceX Is Developing a Complex 'Bleeding' Heavy-Metal Rocket Ship

NASA Just Announced More Strange Results From Its Ambitious 'Twin Study'

Astronomers Detect a Stellar Flare 10 Billion Times Brighter Than Ones From Our SunJupiter Overtakes Saturn as The Planet With The Most Known Moons

Super-Rare Star System Is a Giant Cosmic Accident Waiting to HappenWe Can Now Hear The 'Sound' of One of The Most Beautiful Stars

Astronomers Studied More Than 5,000 Black Holes to Figure Out Why They TwinkleAstronomers Find What May Be a Habitable World 31 Light-Years Away