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Editors of EarthSky

Video of The Elements, sung by Tom Lehrer

There's antimony, arsenic, aluminum, selenium, and hydrogen and oxygen and nitrogen and rhenium ...

Warped space-time visualized by physicists

Stretching and twisting lines can visually portray the warping of space-time and solve a mystery surrounding merged black holes.

Earthquake aftershock of 7.4-magnitude strikes Japan, tsunami warning issued

Japan's meteorological agency has issued a tsunami warning for a wave of up to one meter, following a strong earthquake today near the east coast of Honshu.

Two small asteroids pass within moon’s distance today

The moon is our closest neighbor in space, but today two asteroids come closer. One passed through the Earth/moon system this morning - and the other minutes ago.

Asteroid 2010 SO16 is following Earth in its orbit around sun

Astronomers in Ireland have found another asteroid , asteroid 2010 SO16, is Earth's companion, sharing our orbit around the sun.

UK study suggests mother’s happiness more important to children than father’s

An early result from a long-term study of 40,000 households in the UK suggests that a mother's happiness is key to the happiness of children.

Earthquake tasks to prepare for a major U.S. quake disaster

The U.S. has not suffered a truly devastating earthquake in more than 100 years. A new report noted the lack of disaster resilience after Hurricane Katrina.

Clues to India’s geologic past in ancient insects in amber

Insects encased in 50 million-year-old amber deposits suggest that India's geologic history may have to be revised, according to an October 2010 report.

Do trees ever stop growing?

Why aren't all trees as tall as the giant redwoods? In fact, their height is more or less fixed at the same height as other trees of that species.

Clinpharmpod: Sex and lifestyle drugs

A two-part podcast (Clinpharmpod) from Clinical Pharmacology and Therapeutics on the challenges, complexities, and change for pressing issues in sexual health.