Night sky guide for August 2014

Night sky guide for August 2014

Late July and early August can be one of the best times of the year to observe meteors, weather permitted. This is because there are several minor meteor showers emanating from the adjacent constellations of Capricornus and Aquarius. However, the closest and the largest

Early days of Earth’s sixth mass biological extinction event

Early days of Earth’s sixth mass biological extinction event

An international team of scientists warns that loss and decline of animals is contributing to what appears to be the early days of the planet's sixth mass biological extinction event. The planet's current biodiversity, they claim, is the highest in history of li

Landsat’s global perspective on natural disasters, urban change and more

Landsat’s global perspective on natural disasters, urban change and more

On July 23rd, 1972, the first Landsat spacecraft launched into orbit. At the time, it was called "Earth Resources Technology Satellite," or ERTS, and was the first satellite to use a scanning spectrophotometer. Previous satellites relied on film cameras (eject

The most thorough map of the Martian surface to date

The most thorough map of the Martian surface to date

The United States Geological Survey (USGS) has released the most thorough map of the Martian surface to date. The data for the new map was collected by NASA's Mars Global Surveyor, Mars Odyssey and Mars Reconnaissance Orbiter, and

Another outbreak of noctilucent clouds over Europe

Another outbreak of noctilucent clouds over Europe

The weekend of July 12 – 13 brought another outbreak of noctilucent clouds (NLCs) to Europe, SpaceWeather reports. Across the northern reaches of the continent, skies were criss-crossed by signature ripples of electric blue, like these photographed by Jaan Jalgrata

Cold front brings freak weather across Ural and eastern Siberia

Cold front brings freak weather across Ural and eastern Siberia

Abnormal summer snowstorm hit Russia's Ural region on July 12, 2014. Snow fell in cities of Chelyabinsk and Sverdlovsk, located in Russia's eastern Ural region, in the middle of summer; sudden temperature drop from over 20 degrees Celsius to almost

Scientists discover evidence of super-fast deep earthquake

Scientists discover evidence of super-fast deep earthquake

As scientists learn more about earthquakes that rupture at fault zones near the planet’s surface — and the mechanisms that trigger them — an even more intriguing earthquake mystery lies deeper in the planet.Scientists at Scripps Institution of Oceanogr