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Our Age of Humans in a galactic context
A proposed new classification system - somewhat like the well-known Kardashev scale for classifying extraterrestrial civilizations - and a new way of thinking about human sustainability on Earth.
September 12, 2017
NASA ponders Saturn mission legacy
A statement from NASA's Jet Propulsion Laboratory on Cassini mission success at Saturn, and on where solar system exploration will go from here.
September 11, 2017
How nuclear war would affect Earth’s climate
The climatic effect of a large-scale conflict "... would be similar to that of the giant meteor believed to be responsible for the extinction of the dinosaurs. This time, we would be the dinosaurs."
September 8, 2017
Human antidepressants found in brains of Great Lakes fish
“Fish are receiving this cocktail of drugs 24 hours a day, and we are now finding these drugs in their brains.”
September 7, 2017
How many house-sized NEOs?
A new study shows house-sized NEOs - Near-Earth Objects - to be 10 times fewer than studies had indicated. Still, there are some 3.5 million NEOs larger than 10 meters across.
September 5, 2017
Artificial intelligence probes gravity’s lens
Researchers at SLAC and Stanford have been using brain-mimicking neural networks to analyze the spacetime distortions of gravitational lenses. They say their analysis is 10 million times faster than before.
September 5, 2017
A new look at ocean worlds
Here's how the James Webb Space Telescope - successor to Hubble, due to launch in 2018 - will study Jupiter's moon Europa and Saturn's moon Enceladus.
September 4, 2017
Floods: Not just a coastal issue
As Hurricane Harvey shows, flooding can happen wherever large storms stall and dump lots of rain. A new study finds development is increasing in flood zones far from any coast.
August 29, 2017
Space station transits sun during eclipse
There was only one part of Earth where you could catch the International Space Station crossing the sun's face during the August 21 solar eclipse. These guys saw it, and created this video.
August 24, 2017
July 2017 tied with 2016 for hottest July
It was another hot July. Last month was tied with July 2016 as the warmest July in the 137 years of modern record-keeping.
August 23, 2017
