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Editors of EarthSky

Long-lasting greenhouse gas breaks all the records

A newly identified greenhouse gas shatters all other records for the chemical’s potential to contribute to climate change.

Water vapor venting from Jupiter’s moon, Europa

If these plumes vent from Europa's subsurface water ocean, future scientists won't need to drill into Europa's icy crust to investigate the potential for life in that alien sea.

Best view of Saturn hexagon

The Saturn hexagon is a unique six-sided jet stream, a current of air, around Saturn's north pole.

Astronomers discover planet that shouldn’t be there

The discovery of a giant planet orbiting its star at 650 times the average Earth-sun distance has astronomers puzzled over how such a strange system came to be.

One result of rising ocean acidification: Anxious fish

Increased carbon dioxide uptake by the oceans might be making fish anxious, a new study suggests.

Two supermassive black holes in death spiral

Astronomers have spotted what appear to be two supermassive black holes 3.8 billion light-years from Earth, circling each other like dance partners.

Striking differences in brain wiring between men and women

Male brains facilitate connectivity between perception and coordinated action. Female brains facilitate communication between the analytical and the intuitive.

Mice can inherit learned sensitivity to a smell

When a mouse is trained to become afraid of a certain odor, his or her pups will be more sensitive to that odor as well. Researchers say that knowing how mouse parents can influence their descendants is a step toward understanding how human parents may pass some psychiatric disorders to their children.

Search tool finds pics of you based on tag relationships

A new algorithm could profoundly change the way we find photos among the billions on social media sites such as Facebook and Flickr.

Dwarf seahorse’s deadly secret weapon

It may be two inches long, lemon yellow, and the slowest-moving fish in the sea, but it’s also one of the deadliest predators the ocean has ever seen.