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Editors of EarthSky

A good night’s sleep might help your memory

Study shows that a good night's sleep is very important to your memory. The study suggests that during sleep, your brain is processing information without your awareness.

Global warming to influence ozone-related deaths, says study

Belgium, France, Spain and Portugal may see global warming ozone-related deaths increase up to 14 percent over the next 50 years, according to a new study.

Pigs with H1N1 virus revealed by study in Africa

The first evidence pigs with H1N1 virus has been published. The study found that 89 percent of pigs tested had the virus.

The growing problem of space debris

The September 24, 2011 uncontrolled reentry of NASA's UARS satellite places a spotlight the problem of debris in orbit around Earth.

New planets may have been found by citizen scientist web users

Looking at data from the Kepler mission, web users participating in the Planet Hunters science project may have found two new planets.

Cassini captures five of Saturn’s moons

Five of Saturn's moons appear in one image taken by the Cassini spacecraft in 2011.

Traces of Fukushima fallout reached SF Bay Area in March 2011

After Japan's 2011 earthquake, people speculated that radiation from the Fukushima reactor would travel to California. It did, but only in trace amounts.

Running Chicken Nebula image in ruby red

An image from the European Southern Observatory shows the Running Chicken Nebula, a star-forming region in space, 6,500 light-years away.

Dinosaur-killing asteroid origin remains a mystery

NASA's WISE mission rules out the Baptistina family of asteroids in the search for which ones were the dinosaur-killing asteroid.

Amphibians and reptiles found in largest numbers in Florida

A study indicates that the pet trade is the number one reason Florida has the largest number of invasive amphibians and reptiles of any place in the world.