Exoplanet aurora is out of this world

An exoplanet like a hot Jupiter, orbiting close to its sun, would likely have an aurora up to 1,000 times brighter than one on Earth. Read more on exoplanet aurora.

Got greenhouse gases? At Idaho dairy farm, answer is yes

Scientists monitored greenhouse gases emitted from a dairy farm in Idaho, with 10,000 milk cows. The farm generated 37,000 pounds of emissions daily.

New types of water waves discovered by scientists

Wave experts at the France describe two newly discovered types of water waves in the July 2011 issue of Physical Review.

See the space shuttle in photos from final flight

Photos from STS-135, the historic final flight in NASA's space shuttle program.

Bonnie Dunbar on the end of the space shuttle era

Astronaut and engineer Bonnie Dunbar, who made five shuttle flights and helped build NASA’s shuttle program, reflects on the end of an era.

Brain imaging reveals that androids are creepy

In the first experiment of its kind, scientists used fMRI technology to shed light on the neural basis of the so-called "uncanny valley." Read more on brain imaging.

Hubble Space Telescope discovers fourth moon of Pluto

As the Hubble Space Telescope worked to support NASA's New Horizons mission to Pluto, it also found a fourth moon for the dwarf planet, scientists announced today.

Southern lights seen from space

Pictures taken from the International Space Station and from Antarctica show a stunning green aurora in July 2011. Read more about southern lights.

Try a bigger fork if you want to eat less

Researchers have found that when diners confront a large plate of food, eaters with bigger forks eat less and leave more on the plate.

A cosmic superbubble

Nebula LHA 120–N 44 surrounds star cluster NGC 1929, appearing as a cosmic superbubble within the Large Magellanic Cloud. Read more and see the image.