Stunning Green Comet Will Be Closest to Earth Today, at Peak Brightness

An Asteroid Made a Record Close Pass of Earth on Friday 13, And We Didn't See It ComingThere Was a Special, Extra Crew Member Onboard Yesterday's SpaceX Launch – Baby Yoda

Building Blocks of Life Can Be Forged by 'Dark Chemistry' Far From Stars or PlanetsUnexpectedly, The Universe Is Getting Hotter And Hotter as It ExpandsAsteroid Apophis Has a Slim Chance of Hitting Us in 2068. Scientists Are Making Plans

It's Official: The Fast Radio Burst Coming From Within Our Galaxy Is Repeating'Family Tree' of The Milky Way Reveals The Fate of The Mysterious Kraken Galaxy

The Leonid Meteor Shower Peaks on Monday Night, Here's What to Expect

'All Systems Are Go' For SpaceX's Most Ambitious Astronaut Launch Yet. Watch Live NowNearby Star Looks Just Like a Baby Sun, And Could Tell Us How Life Emerged on Earth

Report: Brexit could help China and the US in the global AI raceSkyrim modders are using AI to generate new spoken dialogue

Curiosity's Wandered The Same Giant Crater For 9 Years. It May Not Be What We ThoughtA closer look at the AI Incident Database of machine learning failures