Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Posts by
Editors of EarthSky
X-rays unravel mysterious degradation of a Van Gogh painting
Supposedly protective varnish caused discolouration – possible implications for other paintings?
September 14, 2012
Study of giant viruses shakes up tree of life
A new study of giant viruses supports the idea that viruses are ancient living organisms and not inanimate molecular remnants run amok, as some scientists have argued.
September 13, 2012
How many killer asteroids are out there?
NASA survey suggests roughly 4,700 potentially hazardous asteroids. So far, an estimated 20 to 30 percent of these objects have been found.
September 13, 2012
How does a spider spin a web between two trees?
If you look up in a tree, you might see a spider web that spans a distance of a meter - several feet - or more. How do they do that?
September 13, 2012
Mercury in water and fish detected with nanotechnology
Inexpensive, super-sensitive device detects even low levels of toxic metals in water and fish.
September 12, 2012
100 most threatened species
Conservation experts have released a list of the 100 most threatened species of animals, plants and fungi on Earth.
September 12, 2012
Scientists discover how the brain ages
Researchers at Newcastle University have revealed the mechanism by which neurons, the nerve cells in the brain and other parts of the body, age.
September 12, 2012
Critically endangered bowhead whales sing like birds
Researchers were stunned when they heard the audio from a recording device that spent a year in the icy waters off the east coast of Greenland. Have a listen..
September 12, 2012
Planets can form in the galactic center
Up against the colossal forces of supernova explosions and supermassive black holes planets still manage to form in the heart of the galaxy.
September 11, 2012
Researchers devise more accurate method for predicting hurricane activity
A new method for forecasting seasonal hurricane activity developed by North Carolina State University researchers is 15 percent more accurate than previous techniques.
September 11, 2012
