Posts by 

Editors of EarthSky

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.

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.

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.

Solar panels help shade and insulate buildings, study shows

Researchers at UC San Diego show how solar panels act like giant roof shades and insulators, keeping out sun in the summer and holding in heat in the winter.

Mapping empathy in the brain in new research

Using fMRI, researchers show the intuitive and rational parts of the brain work in tandem to create empathy. Read more about empathy in the brain.

Loss of large predators has disrupted multiple ecosystems

Scientists say decimation of top predators may be humankind's most pervasive influence on the natural world due to cascading effects on ecosystems.

Wild parrots name their offspring

Cornell University researchers have found that parent parrots in the wild pass on learned vocal signatures - a bit like human names - to their offspring.

NASA’s Dawn spacecraft nears asteroid Vesta

NASA's Dawn spacecraft will arrive at the main-belt asteroid Vesta tomorrow (July 15). Space scientists say the spacecraft is performing normally at this time.

A peek at dinosaurs before mass extinction

A team of scientists has discovered the youngest dinosaur preserved in the fossil record before the catastrophic meteor impact 65 million years ago.

Galaxy collisions not the only source of monster black hole activity

What causes a monster black hole at a galaxy's heart to turn on and begin radiating powerfully? European astronomers suggest a reason besides galaxy collisions.