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The National Park Service normally doesn’t allow night photography at the Dry Tortugas, but made an exception for this project.
Yellowstone supervolcano could deposit ash across the U.S. Northwest, clogging rivers and streams and affecting agriculture. How much advance warning might we have?
A new study has found that bird brains have significantly more neurons than do mammal – even primate – brains of the same mass.
Not all experts agree that the white whale spotted off Australia’s east coast on Tuesday was the beloved Migaloo. But most are adamant it was.
A new time-lapse video from New Zealand, showing both its dramatic landscape and the sky above. It’s called “The Edge of Perception.”
Watch a full year of Earth’s sunlit side, seen from a million miles away by the DSCOVR spacecraft.
First total solar eclipse visible from the U.S. since 1991 (seen only from part of Hawaii), and first visible from contiguous U.S. since 1979. Start planning now!
A new study shows that we humans can help maintain healthy forests by focusing conservation efforts on the protection of animal pollinators and seed dispersers.
Twilight is the time of day between daylight and darkness. Astronomers, the experts on nighttime, recognize three kinds of twilight.
The 6-month period from January to June was our planet’s warmest half-year in the modern temperature record, which dates to 1880.
MIT researchers show that neutrinos can change between several distinct “flavors” while traveling from a facility near Chicago to a detector in Minnesota.
A huge earthquake could be building beneath Bangladesh, Earth’s most densely populated nation. There’s potential for some 140 million people to be affected.
In a groundbreaking study, researchers explored a key evolutionary transition – from animals living in water to living on land – using a robot called MuddyBot.
Time-lapse video of the amazing noctilucent cloud display over northern Europe on July 12-14, 2016. Adrien Mauduit called it a “storm” of these clouds.
The wind map updates every hour and lets you see the movement, flow, and speeds of wind across the United States. Go see it! It’s great!
Underwater microscope provides new views of ocean-floor sea creatures in their natural setting.
It’s said that once you’ve seen a green flash, you’ll never go wrong in matters of the heart. Here’s all you need to know … plus great pics.
In early July, a satellite camera caught the moon crossing the face of Earth.
Photos from far northern Europe last night and this morning (July 13 and 14, 2016) of a wonderful display of noctilucent, or night-shining, clouds.
How NASA is working to keep Earth safe from asteroids and other hazards that come from deep space.
Mercury-Regulus conjunction on July 30
Earth’s shadow, sea and land