Google to Feds: Project Loon is totally safe, despite outcry
They're just high-altitude balloons blasting a wireless signal, what could go wrong?
Watch tonight's Republican debate with Engadget
Read our guide to the candidates to brush up and follow us on Twitter for live analysis.
NASA to honor crews of doomed Apollo 1 and Challenger missions
It will hold its annual Day of Remembrance on the Challenger disaster's 30th anniversary.
ICYMI: Smart sweat detector, AI for gaming and more
Berkeley's sensor can tell you when to chug Gatorade.
Scientists observe the largest solar system ever discovered
An exoplanet is a trillion miles from its star.
SpaceX tests Crew Dragon's parachute landing skills
NASA's partnership is one step closer to operating human-rated spacecraft.
NASA's Opportunity rover celebrates 12th anniversary on Mars
A true oldie but goodie.
ICYMI: UAV for land and sea, Boeing's super rocket and more
This space vehicle is going to Mars with 8.5 million pounds of thrust.
Neil deGrasse-Tyson blesses a flat-earth rap diss
The astrophysicist's nephew raps 'Flat-to-Fact' as a response to flat-earth believer B.o.B.