Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Posts by
Editors of EarthSky
Milky Way strips nearby galaxies of star-forming hydrogen
Astronomers have discovered that our nearest galactic neighbors are devoid of star-forming gas, and that our Milky Way is to blame.
October 16, 2014
What are super-Earths made of?
Astronomers struggle to learn about super-Earths - bigger than our Earth, smaller than Neptune - the most common type of planet found by the Kepler spacecraft.
October 16, 2014
Earth’s last magnetic reversal took less than 100 years
A study demonstrates that Earth's last magnetic reversal - 786,000 years ago - happened in roughly the span of a human lifetime.
October 16, 2014
Spacecraft catches Mars atmosphere in act of escaping
Earth's atmosphere is leaking into space, too, but only very, very slowly. Meanwhile, Mars is thought to have lost much of its atmosphere already.
October 15, 2014
Crocodiles work as a team to hunt their prey
Crocs are able to conduct highly organized game drives. They might be second only to humans in their hunting prowess, says a researcher.
October 14, 2014
Mega flares from a mini star
You've heard of X flares from our sun? This mini star's biggest flare - seen in April, 2014 - was 10,000 times bigger than the biggest known solar X flare.
October 2, 2014
Curiosity rover drill pulls first taste from Mars mountain
The mission's emphasis has changed from drive, drive, drive to systematic layer-by-layer investigation. "Curiosity flew hundreds of millions of miles to do this."
September 29, 2014
The water in your bottle might be older than the sun
Up to half of the water on Earth and throughout our solar system likely originated as ices that formed in interstellar space.
September 27, 2014
Ice crystals don’t melt inside these fish
Antifreeze blood helps fish called notothenioids survive in icy Antarctic waters. The down side is that the ice crystals in their blood don't melt as temperatures warm.
September 24, 2014
Astronomers observe mysterious winds from a T Tauri star
T Tauri stars - infant solar systems - were thought to have powerful stellar winds. Astronomers have now observed T Tauri winds and might know what's causing them.
September 24, 2014
