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Editors of EarthSky

NASA and university researchers on how life turned left

NASA researchers analyzing meteorite fragments in Canada have developed an explanation for a strong preference of left-handed over right-handed amino acids in meteorites.

Two solar system puzzles solved

Comets and asteroids preserve the building blocks of our solar system and should help explain its origin. But there are unsolved puzzles.

Neil Sims: Growing more seafood for more people

An unanchored fish pen tethered to a drifting boat that allows sashimi-grade Kampachi to be farmed in their natural environment miles offshore of Hawaii.

Vivid memories feel so real, but why?

New evidence suggests that experience and mental replay - or vivid memories - share similar brain activation patterns.

New recruits in the fight against disease

Scientists have discovered the structure and operating procedures of a powerful anti-bacterial killing machine that could become an alternative to antibiotics.

Mark Changizi on how language and music got into our brains

It might seem natural to think our brains evolved to process language and music. But could it be that music and language evolved to fit the human brain?

Antioxidants may be potent Parkinson’s treatment

A new and powerful class of antioxidants could one day be a potent treatment for Parkinson’s disease, researchers report.

Massive black holes found at center of the Milky Way

A research team has discovered masses thought to be "seeds" that form and grow massive black holes at the center of the Milky Way Galaxy.

Hubble space telescope finds earliest spiral galaxy

Astronomers using the Hubble space telescope have witnessed a spiral galaxy in the early universe, billions of years before many other spiral galaxies formed.

Henry Rollins: Facing an animal underworld

Henry Rollins - of the 80s punk band Black Flag - has a new show that explores why some people choose to come face to face with Earth's most dangerous animals.