Woman traveling with 4 kidnapped Americans in Mexico alerted police when they didn't meet up with her in Texas

Unabated Carbon Is Shrinking Earth's Upper Atmosphere, Scientists WarnMore Strange Cosmic Threads Discovered Outside Our Galaxy, And They're Huge

7 futuristic space technologies that NASA is exploringWe Could Be Living And Working on The Moon by 2030, Says NASAReinforcement learning: How rewards create intelligent machines

The Milky Way's Halo of Stars Isn't The Neat Sphere Astronomers Expected It to BeNASA’s new idea for gender equity: A body scanner that creates custom spacesuits

Colliding Neutron Stars Created a Neutron Star We Thought Too Heavy to Exist

Here’s how algorithms are madeDoug Burgum is giving $20 gift cards in exchange for campaign donations. Experts split on whether that's legal

Trump Furious Iowa’s Republican Governor Won’t Endorse HimAmericans snap up AC units, fans as summer temperatures soar higher than ever

Mystery GOP Whistleblower Accused Of Being Unregistered Foreign Agent, Arms DealerSpecial counsel's office contacted former Arizona Gov. Doug Ducey in Trump investigation