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No asteroid threatening Earth in September
Despite rumors, no asteroid threatens Earth. All known Potentially Hazardous Asteroids have less than a 0.01% chance of hitting Earth in the next 100 years, says NASA.
August 20, 2015
Why do volcanoes erupt?
Volcanoes are channels that transfer molten rock from Earth’s crust to the surface. Here’s why eruptions happen.
August 20, 2015
View from space: Fires in US Pacific Northwest
Wildfire outbreaks have charred nearly 7 million acres this summer. Satellite view of several fires burning in Idaho, Oregon, and Washington.
August 18, 2015
Space weather threatens equatorial regions too
Damaging electric currents in space affect Earth's equatorial region, not just the poles, according to new research.
August 18, 2015
Large 2015 Gulf of Mexico dead zone
Data from this year’s survey indicate that the dead zone in the Gulf of Mexico is above average in size, likely because of heavy rains in June.
August 18, 2015
First digital map of world ocean floor
Scientists have created a new digital map of Earth's seafloor geology.
August 14, 2015
Where lightning flashes most
According to satellite observations, more lightning happens over land than over the oceans, and more often closer to the equator. Check out this map.
August 12, 2015
Why haven’t earthquakes toppled these balancing rocks?
Scientists say they've solved the riddle of why a collection of balancing rocks near the San Andreas fault has never been knocked over by earthquakes.
August 6, 2015
El Niño conditions growing stronger
El Niño has strengthened in the past several months. Will this El Niño rival the event of 1997–98?
August 5, 2015
US deserts wet until 8,200 years ago
Research suggests that around 8,200 years ago, the climate of the American West began transitioning from a lush landscape to the desert terrain we know today.
August 3, 2015
