Planets Orbiting the TRAPPIST-1 Star Might Not be Great for Life After All
Frequent solar flares from red dwarfs make the exoplanets less than ideal.
Asteroid Narrowly Misses Communications Satellites With Only Two-Day Warning
The asteroid could have pulverized communication satellites.
NASA's New Self-Learning AI Could Save First Responders
AUDREY could reveal a newer, smarter generation of artificial intelligence.
NASA Is Pushing for Solar Power, But It Can't Get Us Past Jupiter
The newest solar-powered spacecraft, Juno, would probably lose steam beyond the gas giant.