NASA scientists fly over Greenland to track melting ice
NASA researchers want to know whether the melting is being caused more by warm air or warm seawater. The answer could be crucial to Earth's future.
Watch 10:25
NASA looks to return astronauts to the moon
Fifty years ago today, astronaut Neil Armstrong became the first person to walk on the surface of the moon. Now, for the first time since the Apollo program ended in 1972, NASA is planning an ambitious launch in 2024 to…
Watch 4:04
NASA opens a new collection of moon rocks to researchers
Johnson Space Center in Houston houses more than 2,000 samples collected over six Apollo missions between 1969 and 1972 from various parts of the moon. The collection includes rocks, core samples, pebbles and dust that scientists are still learning from…
Why a sustainable future may depend on humans returning to the moon
PBS NewsHour spoke to four researchers about what the U.S. stands to gain and lose from future crewed voyages to the moon.
According to NASA, last month was the hottest June documented in the past 139 years. And the National Weather Service forecasts record highs, at potentially deadly levels, through the coming weekend. How is climate change related to the extreme heat,…
The 50th anniversary of the Apollo 11 mission is being commemorated extensively, including at the White House, where President Trump recognized the crew's two surviving members. Their conversation included discussion of a new push to travel to the far side…
The footage, photos and first-hand accounts you need to see and read to understand the historic mission.
The after-dark light show honors the 50th anniversary of the Apollo 11 mission that put two astronauts on the moon.
This week marks the 50th anniversary of the Apollo 11 mission, which first landed American astronauts on the moon's surface. Of the intrepid crew, Neil Armstrong and Buzz Aldrin have tended to dominate public attention, but it was pilot Michael…
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