White House hoping Biden-Xi meeting brings progress on military communications, fentanyl fight

LIVE: Newly Detected Asteroid Is Passing Earth Closer Than The Moon Right Now

A Silicon Valley Startup Is in Trouble After Launching 4 Satellites Without PermissionHere's The Declassified Video of US Navy Pilots Encountering a UFO

The US Air Force Is Preparing For War in Space in The Next Few YearsThree Super Earths Have Just Been Found in a Close by Planetary SystemA Strange Quantum Effect Could Give Rise to a Completely New Kind of Star

The ESA Just Fired Up The First-Ever Rocket Thruster That Uses Air as FuelJuno Spots Cyclones on Jupiter Locked in a Blazing Geometric Dance

We Finally Know Where China's "Out of Control" Space Lab Might Crash

We've Peeked Beneath Jupiter's Mysterious Clouds, And It's More Extreme Than NASA ExpectedThere's a Surprising, Smelly Reason Why Eating Less Meat Is Linked to Healthy Aging

Why Do Breastfed Babies Have Healthier Immune Systems? There's a New ExplanationLandmark Study Identifies The Neurons Especially Vulnerable to Alzheimer's Disease

Fact Check: What We Do And Don't Know About The Pfizer Vaccine Deaths in NorwayThe UK Coronavirus Strain May Be Dominant in The US by March, CDC Says