Enjoying EarthSky? Subscribe.

268,025 subscribers and counting ...

Shireen Gonzaga

Simplified calendar and no time zones?

In the Hanke-Henry Permanent Calendar, there are no leap years and Christmas always falls on a Monday. Plus, it’s the same time everywhere on Earth.

New chick for oldest known wild bird Wisdom

Wisdom, a Laysan albatross, is at least 65 years old. Her latest chick hatched at the Midway Atoll National Wildlife Refuge on February 1.

Rare salamander lays eggs in Slovenia cave

Slovenian folklore speaks of baby dragons flushed from parents’ subterranean lairs. Today, we know these rare creatures as the olm, and one of them has laid eggs.

Eotrachodon orientalis skull Image credit: Albert Prieto-Marquez, et al.

Extraordinary fossil find sheds light on duck-billed dinosaurs

Duck-billed dinosaurs lived 83 million years ago. They are sometimes called ‘the cows of the Cretaceous.’ A new fossil find reveals their origins.

A collection of the Witwatersrand diamonds. Image credit: Wits University

Ancient diamonds hold clues to primeval Earth

New insights into ancient Earth’s early structure from diamonds formed 3.5 billion years ago. A scientist called diamonds “the perfect little time capsules.”

Birdsong recordings harm birds

Although playing recorded song to lure a bird into view is frowned upon by birdwatchers, some people still do it. Will these new findings get them to stop?

Fossil reveals earliest known central nervous system of an animal

Scientists traced iron deposits that occupied the space of long-gone central nervous system tissue. An outline of a 520-million-year-old central nervous system emerged.

Foraging acrobatics of humpback whales

Acoustic and camera tags attached to the whales revealed a repertoire of feeding acrobatics. The video in this post gives you a whale’s-eye view of what happens.

Will climate changes keep red crabs of Christmas Island from spawning?

When the wet season begins in November, Christmas Island’s iconic land crabs march towards the sea to spawn. Climate change could put a stop to it.

Unique spine found in 240-million-year-old fish fossil

A newly-discovered backbone structure in a well-preserved 240-million-year-old fossil fish reveals an inflexible and slow swimmer, an evolutionary dead end.