Almost two-thirds of respondents thought climate and asteroid monitoring should be top priorities for the agency.
Dried meat may have offered a long-lasting source of food in a changing rainforest.
Africa’s total population is expected to double from 1.2 billion inhabitants in 2017 to 2.5 billion in 2050, with most of this increase occurring in Western, Central, and Eastern Africa.
Tiny fish remains were time capsules of climate change.
White House officials considered ignoring climate change studies by government scientists in order to come up with their own messaging around the issue, according to an internal White House document obtained by The Washington Post.
Several lawmakers sparred with Dr. Philip Duffy, a leading climate scientist.
Other comments during his town hall touched on how discrimination will fare in his agency, the risks of human spaceflight and the fate of the agency's next major telescope.
"We see a distinctive pattern of the wet land areas of the world getting wetter...and the dry areas in between getting dryer."
Half of the total CO2 has been released since the late 1980s.
Evidence that the Arctic is warming rapidly extends far beyond shrinking ice caps and buckling roads.
“I believe in building a better future for our children, which requires offering them a planet that is still habitable in 25 years,” Macron told Congress.
Celebrate Earth Day 2018 with these NASA pictures of Earth from space.
Early dinosaurs were at the mercy of weather patterns unfolding across the supercontinent Pangaea.