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Video: Brainy octopus and its coconut
We can’t get enough of the coolness of octopuses here at Earthsky. Watch what this octopus does with coconut shells.
June 26, 2015
Titan’s strange lakes may be sinkholes
What forms the depressions holding liquid hydrocarbon lakes on Saturn's moon Titan? It might be a process similar to that creating caves and sinkholes on Earth.
June 26, 2015
Earthquakes to blame for Mount Sinabung eruptions?
Scientists think there may be a link between the new volcanic activity at Mount Sinabung in Indonesia and three recent megathrust earthquakes.
June 25, 2015
Exoplanet has a comet-like tail Gliese 436b
A Neptune-sized exoplanet is being trailed by an immense cloud of hydrogen. This discovery might also suggest a method for detecting extrasolar oceans.
June 25, 2015
How close to finding alien life?
The search for life beyond Earth has heated up. Here are some of the ways that scientists have been thinking and talking about it, including a definition of new buzzword: biosignatures.
June 25, 2015
Methane in Mars meteorites = life?
Biological processes can produce methane. Its presence in Martian meteorites might mean Mars was or is habitable for microbial life. Or it might not.
June 25, 2015
Big Dipper before dawn
In the month of June, the Big Dipper is low in the sky before dawn.
June 25, 2015
MIT scientists set record for coldest molecule
Scientists have cooled a molecule down to 500-billionths of a degree above absolute zero, a million times colder than interstellar space.
June 24, 2015
Edgewise view into our Milky Way
Our sun orbits the center of the Milky Way galaxy, which is 100 thousand light-years wide and contains 100 billion stars. Looking into the Milky Way ...
June 24, 2015
Geomagnetic storm strikes. Awesome auroras!
Storms on the sun sent giant plasma clouds across space, which interacted with Earth's magnetic field. See photos of this week's fabulous displays of auroras.
June 24, 2015
