Earthquake swarms at Mount St. Helens

Earthquake rates have been steadily increasing since March at the Pacific Northwest volcano Mount St. Helens. The cause is probably new magma, rising upward.

Study: Widespread loss of ocean oxygen by 2030s

These scientists said that, as our warming climate saps the ocean of oxygen, marine life like fish, crabs, squid, and sea stars could be left struggling to breathe.

Earth might be home to a trillion species

Largest-ever analysis of microbial data concludes that 99.999 percent of species remain undiscovered.

Inhospitable Danakil Depression hosts extreme life

It's below sea level, with near-boiling water bubbling up from underground, high salt concentrations and toxic vapor. Yet life survives here.

Did human limbs evolve from shark gills?

The Sonic Hedgehog gene drives embryonic development of mammal limbs and shark gills. Could our limbs have evolved from gills?

Did Earth’s magnetic field collapse for 2 hours on April 23?

No, Earth's magnetic field did not collapse for 2 hours on April 23. The erroneous story, which is still spreading, originated with a glitch in a computer simulation.

Does this jellyfish look like a spaceship, or what?

Video of a spectacular jellyfish that floated past NOAA's ROV on April 24, 2016 in the Mariana Trench - the deepest oceanic trench on the planet.

Dinosaurs already in decline before asteroid apocalypse?

New research suggests that dinosaurs were in decline tens of millions of years before the meteorite impact that finished them off.

How monarchs find Mexico without a map

Researchers say they’ve cracked the secrets of the monarch butterfly’s internal compass.

New tree of life doesn’t look as you’d imagine

The tree of life, which depicts how life has evolved and diversified on the planet, is getting a lot more complicated.

Matching Donation Campaign

Exciting news! EarthSky received a $50,000 gift, with a request that it be used to collect matching funds. Please help us meet this match by donating to EarthSky today!

Would you consider

donating?

If you've already donated, we apologize for the popup and greatly appreciate your support.