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Editors of EarthSky

Astronomers spy comet-like tail for 3200 Phaethon

When closest to the sun, Phaethon may become so hot that rocks on the surface crack and crumble to dust. This makes Phaethon a "rock comet."

Untangled DNA is how guys become guys

An enzyme that “unravels” DNA appears to trigger male development of the embryo, a finding that may give greater insight into intersex disorders.

Life found in the sediments of an Antarctic subglacial lake for the first time

Evidence of diverse life forms dating back nearly a hundred thousand years has been found in subglacial lake sediments by a group of British scientists.

Humpback whales also spend their winter in Antarctica

Biologists and physicists from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, found out that not all of the Southern Hemisphere humpback whales (Megaptera novaeangliae) migrate towards the equator at the end of the Antarctic summer.

The milk of human kindness: providing for baby pandas

Conservationists and researchers are keen on developing an artificial milk formula for abandoned or orphaned panda cubs.

New connection between stacked solar cells can handle energy of 70,000 suns

North Carolina State University researchers have come up with a new technique for improving the connections between stacked solar cells, which should improve the overall efficiency of solar energy devices and reduce the cost of solar energy production.

Your brain is wired to quiet voices in your head

Nerve circuits let the brain turn down sounds that come from our own actions, and turn up other sounds we need to pay attention to, say researchers.

New model of Earth’s interior reveals clues to hotspot volcanoes

Unlike volcanoes that emerge from collision zones between tectonic plates, hotspot volcanoes form in the middle of the plates.

Coldest brown dwarfs blur lines between stars and planets

“If one of these objects was found orbiting a star, there is a good chance that it would be called a planet.”

Deep-sea squid lures prey with tentacle fishing line

A tiny club at the end of a long fishing line-type appendage resembles the movements of small marine organisms. The squid attracts its prey, then attacks.