CAPE CANAVERAL, Florida -- A new study suggests that dark streaks on Mars represent flowing sand — not water.Read more
CAPE CANAVERAL, Florida -- NASA captured 20 years of changing seasons in a striking new global map of the home planet.
The data visualization, released this week, shows Earth's fluctuations as seen from space.Read more
CAPE CANAVERAL, Florida -- Astronomers have discovered a close new world about the size of Earth, where a year lasts just under 10 days.Read more
WASHINGTON -- Global carbon pollution rose this year after three straight years when levels of the heat-trapping gas didn't go up at all, scientists reported Monday.Read more
WASHINGTON -- A massive US report concludes the evidence of global warming is stronger than ever, contradicting a favorite talking point of top Trump administration officials, who downplay humans' role in climate change.Read more
GENEVA -- The UN weather agency is warning that carbon dioxide (CO2) concentrations in the atmosphere increased at record-breaking speed last year.Read more