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Editors of EarthSky

Forgetfulness is under our control

Psychology EEG research shows that we can train ourselves to repress memories, or to forget.

Hubble Space Telescope’s one-millionth observation

The Hubble Space Telescope made its millionth observation during a search for water in the atmosphere of a planet 1,000 light-years away.

EarthSky seeking science bloggers

EarthSky is accepting applications for science and natural event bloggers for late summer and fall 2011.

Clocking Neptune’s mysterious spin

A day on Neptune lasts 15 hours, 57 minutes and 59 seconds, according to the first accurate measurement of its rotational period.

One of 2 hottest years on record was 2010

The NOAA 2010 State of the Climate report tracks 41 indicators, each one including thousands of measurements that allow scientists to identify overall trends. Read more about one of the hottest years on record.

Brightest quasar in early universe found

The quasar ULAS J1120+0641 is the brightest object yet discovered in the early universe, powered by a black hole with a mass two billion times that of the sun.

Annual cost of weather may total $485 billion in U.S.

New analysis may be able to estimate the cost of weather on the U.S. economy. Read more about the new study's economic analysis here.

Arizona Wallow Fire scar seen from space

A June 21 satellite image of the Arizona Wallow fire shows the fire's burn scar as seen from space.

In early universe, galaxies were awake or asleep, says study

Astronomers captured light from 40,000 galaxies and discovered that even in the early universe, galaxies were either awake or asleep.

Humpback whales make bubble nets with beauty and precision

Humpback whales blow vertical columns of bubbles to herd and corral their prey. Learn more about these beautiful and precise creations.