The threat of wildfires is rising. So is new artificial intelligence solutions to fight them
Science paints a new picture of the ancient past, when we mixed and mated with other kinds of humans
The ominous signs pointing to extreme heat and fire in Australia this summer
SpaceX rocket to launch on record-tying 17th mission tonight
A 7-year journey to deliver an asteroid sample to Earth will soon end in Utah
Mars is littered with 15,694 pounds of human trash from 50 years of robotic exploration
Northern lights activity is sky-high, and scientists say more is yet to come
Watch NASA's OSIRIS-REx asteroid probe approach Earth tonight with free telescope livestream
