One of the best meteor showers of the year—the Perseids—will delight stargazers this week. “If you see one meteor shower this year, make it August’s Perseids or December’s Geminids,” NASA says. “The Perseids feature fast and bright meteors that frequently leave trains, and in 2015 there will be no moonlight to upstage the shower.” Plus, August is […]
As 2015 shapes up to be the hottest year on record, scientists warn the world could be halfway towards surpassing countries’ self-set red line of 2C temperature rise. Now with an El Nino underway and predicted to intensify, it looks as if the global average surface temperature could jump by around 0.1C in just one […]
We’ve all heard the expression “once in a blue moon,” but have you ever stopped and thought to yourself, “What is a blue moon?” and “How rare are they actually?” Well, a blue moon happens when there are two full moons in one month. The second one is called a blue moon, and they happen about […]
Set to the music of Igor Stravinsky, this epic video, narrated by renowned astrophysicist Neil deGrasse Tyson explains the history of our universe. The video seen by more than 800,000 people covers everything from how the universe began to the spontaneous creation and dissolution of black holes. He gives a great explanation of how the sun and […]
NASA announced yesterday that its Kepler spacecraft has discovered “the first near-Earth-size planet in the ‘habitable zone’ around a sun-like star.” NASA believes there may be up to another 11 other “new small habitable zone candidate planets,” marking “another milestone in the journey to finding another ‘Earth,’” according to the agency’s press release. How does Kepler-452b […]
Climate change may cause gender switching. Now, there’s a line to motivate conservative politicians to cut carbon pollution. Extreme heat caused by climate change may eliminate male bearded dragons. Photo credit: Arthur Georges Let me explain. A team of ecologists has proven that temperature, not just genetics, plays a role in determining the sex of […]
The planet’s great subterranean stores of water are running out—and nobody can be sure how much remains to supply billions of people in the future. Satellite instruments used to measure the flow from 37 underground aquifers between 2003 and 2013 have revealed that at least one-third of them were seriously stressed—with little or almost no […]
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