Earth
Dust Seen Streaming Out of Namibia Into the Atlantic Ocean
Landsat 8 strikes again. Landsat 8 is the United States Geological Survey's most recently launched satellite, and it holds the…
Organic Matter Could Have Delivered Earth’s Water
The origin of Earth's water is a big piece of the puzzle in Earth's history. Did it come from comets…
Mount Everest, Seen from Space!
One under-appreciated space asset is the photography skills of the Russian cosmonauts on board the International Space Station. They are…
Watch the Incredible Plume of Dust from Africa Cross the Entire Atlantic Ocean
Dust plumes are a natural phenomena, part of Earth's nutrient cycle. They occur when high-velocity winds pick up tiny dry…
This Giant Iceberg Has Been Sailing the Southern Seas for Three Years Now
An iceberg that calved off of from a larger ice formation has spent three years floating on the ocean near…
Even If We Cut Greenhouse Gas Emissions Tomorrow, it Would Take Decades for the Earth to Start Cooling Again
If—or hopefully when—we cut our Greenhouse Gas (GHG) emissions, we won't notice much difference in the climate. The Earth's natural…
It Was Almost Certainly an Asteroid Impact that Wiped Out the Dinosaurs. In Fact, Volcanoes Might Have Helped Life Recover
It seems almost certain that an asteroid impact wiped out the dinosaurs. But only almost. Another competing theory won't completely…
Last Year’s Total Solar Eclipse on Earth, Seen From the Moon
On July 2, 2019, the Moon cast its shadow on the surface of the Earth. This time, the shadow's path…
Curiosity Sees Earth and Venus in the Night Skies on Mars
Normally the images from NASA’s Curiosity rover, currently sitting near “Bloodstone Hill” on Mars, are of alien vistas and rock…
Space Dust Delivered Water to Vesta, Could it Have Done the Same for Earth?
One of the most enduring questions about Earth regards the origins of its water. Where did it come from? One…