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.
Did our solar system form in a bubble around a giant star?
And now ... a big bubble theory. Scientists are discussing the possibility that our solar system formed in wind-blown bubbles around a giant, long-dead star.
January 3, 2018
New Year’s fireworks?
The elongated tail of the dwarf galaxy Kiso 5649 - seen stretching away from the galaxy’s head and scattered with bright blue stars - contains at least 4 distinct star-forming regions.
January 3, 2018
2018’s New Year’s supermoon
It was a great way to start 2018! The year started with a full moon that happened also to be the year's closest and brightest supermoon.
January 2, 2018
Next New Horizons flyby will happen a year from today
The New Horizons flyby of Kuiper Belt object 2014 MU69 - a year from today, on January 1, 2019 - will be the most distant in the history of space exploration.
January 1, 2018
Year’s closest supermoon on January 1-2
Enjoy the "most super" supermoon of the year on the night of January 1-2, 2018, as it lights up the nighttime from dusk to dawn.
January 1, 2018
Sirius midnight culmination New Years Eve
On New Year's Eve, look up for the brightest star Sirius in the constellation Canis Major. It's at its highest in the sky at midnight.
December 31, 2017
Top 7 EarthSky galleries of 2017
EarthSky sends out a year's worth of thank yous to our friends from around the world who shared images with us throughout the year. Please keep sharing in 2018!
December 30, 2017
Celebrating the Pleiades, or Seven Sisters
Photos from Project Nightflight and others in the EarthSky community of the famous star cluster Pleiades. Look for this tiny, misty dipper in your night sky.
December 30, 2017
Moon hides Aldebaran on December 30
We all can see Aldebaran - brightest star in Taurus the Bull - near tonight's moon. Those in northeastern North America, Greenland, Iceland and northern Europe can see the moon pass in front of Aldebaran.
December 30, 2017
Top 7 EarthSky stories of 2017
Here are 7 of the most-viewed news and feature stories of this past year.
December 29, 2017
