Off the Grid: Sally breaks down USA TODAY's daily crossword puzzle, On Top of the World

This AI system locates drone pilots flying too close to airports

NASA Confirms We've Officially Entered a Brand New Solar CycleUK ditches its coronavirus contact-tracing app and switches to Google-Apple model

The True Origins of Gold in Our Universe May Have Just Changed, AgainEverything you need to know about recurrent neural networksWhy gender-swap photo filters are still problematic

"Crazy Rich Asians" star Constance Wu opens up about bullying, mental health strugglesPluto Has a Surprising Similarity to The 5 Biggest Moons of Uranus

This AI tool helps people with speech difficulties to communicate

Myriad Exoplanets in Our Galaxy Could Be Made of Diamond And RockNASA Just Opened a Moon Dirt Sample Untouched Since The '70s

For The First Time, Astronomers Witness Colossal Winds Blowing Out of a Distant GalaxyHere's Why Scientists Are So Excited About NASA's New Planet-Hunting Space Telescope

Physicist Builds a Calculator to Show What Would Happen if Earth Collided With a Black HoleJupiter's Massive Gravitational Pull Could Help Us Find Alien Worlds