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
Ancient cold front in Perseus
Galactic cold fronts aren't like the cold fronts we experience on Earth. They're caused by galaxy clusters colliding into one another.
October 30, 2018
NOAA issues 2018-19 Winter Weather Outlook for US
About 3/4 of the United States is more likely to be warmer-than-average than colder-than-average this winter, according the NOAA report, and western drought is likely to persist or worsen.
October 28, 2018
Top 5 things to know about InSight Mars
InSight is a Mars lander - not a rover - designed to study a whole world from just one spot. It's due to arrive at Mars in November. Here are 5 highlights of the mission.
October 27, 2018
Baby stars blow bubbles in Cat’s Paw nebula
In the star-forming Cat's Paw nebula, baby stars heat up the gas surrounding them. The gas then expands to form bubbles in the nebula.
October 25, 2018
This planetary nebula has 2 ultra-close stars at its heart
A planetary nebula isn't related to planets. It's an old star, sloughing off its outer layers. Now astronomers have spied 2 ultra-close stars at a planetary nebula's heart. The pair orbits in only 3 hours!
October 24, 2018
How Earth feeds volcanic supereruptions
To better understand where magma gathers in Earth’s crust, researchers studied the Taupo Volcanic Zone of New Zealand, the planet's most active cluster.
October 21, 2018
Powerful jet from the wrong kind of star
Astronomers had theorized that strong magnetic fields prevent jets from forming. Then they found a strongly magnetic neutron star with a jet.
September 26, 2018
Surfer riding a rainbow
Photographer Josh Blash wrote: "I caught this surfer riding a rainbow after a storm moved off the New Hampshire coast last Wednesday."
August 29, 2018
Amazing Kilauea volcano imagery you might have missed
For more than 2 months, lava has been pouring from Hawaii’s Kilauea volcano, destroying homes and remaking the land. A compilation of photos and videos, here.
July 22, 2018
Heads up! It’s a month of eclipses
Partial solar eclipse July 13. Total lunar eclipse July 27. Partial solar eclipse August 11.
July 11, 2018
