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How to celebrate World Oceans Day 2019
World Oceans Day is Saturday, June 8. Celebrate! Plan or find an event. Participate on social media. Or ... just go to the beach. Some ideas for participating here.
June 5, 2019
Martian sands move in unearthly ways
Mars is a desert world, with sand dunes similar to those on Earth. But the processes that create them can be quite different from those on our planet, according to a new study from the University of Arizona.
June 5, 2019
Melting small glaciers could add 10 inches to sea level by 2100
A new analysis of 200,000 glaciers worldwide paints a picture of a future planet with a lot less ice and a lot more water.
June 5, 2019
Meteor Crater, Arizona
Joe Neeley captured the Milky Way over Meteor Crater, Arizona, on June 1, 2019, after holding a 2nd annual photography night at the crater last weekend.
June 5, 2019
Mud ball meteorites rain down in Costa Rica
"Mud ball" meteorites - full of clays, organics and water - are unique among space rocks. And a lot of them fell in April 2019 on a small town in Costa Rica, much to the delight of scientists.
June 4, 2019
View from space: North America’s deepest lake
Roughly the same size of Belgium, Canada’s Great Slave Lake runs nearly 2,000 feet (600 meters) deep. This article from NASA Earth Observatory describes the lake and conditions around it in 2019.
June 4, 2019
Young moon, Mercury, Mars on June 4 to 6
These next several days - on June 4, 5 and 6, 2019 - use the young moon to find the planets Mercury and Mars. Then watch for the Mercury-Mars conjunction around June 17 and 18.
June 4, 2019
Curiosity sees noctilucent clouds shining in Mars’ sky
Late last month, the Curiosity rover picked up wonderful images of noctilucent - or "night-shining" - clouds in the Martian sky. Plus - if you're at a high latitude on Earth now - it's time to start looking for these clouds.
June 3, 2019
Why super-sized beavers went extinct
Super-sized beavers were as big as black bears. They suddenly became extinct 10,000 years ago, while small modern beavers survived. Now scientists know why.
June 3, 2019
Crepuscular rays in a smoky Alberta sky
Fire season has gotten an early start in Alberta, Canada.
June 3, 2019
