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.
Space
Large asteroid safely passed Earth on June 27
On June 27, 2026, a large asteroid safely passed close to Earth. Observers with small telescopes watched the asteroid sail by.
June 28, 2026
Space
A lunar quarantine facility to protect from alien microbes?
Scientists are proposing a lunar quarantine facility on the moon to protect Earth from possible alien microbes. Do we need one?
June 28, 2026
Space
Will Earth survive the red giant sun? New research suggests yes
Will Earth survive the sun's death, when our star becomes a red giant 5 billion years from now? A new study suggests it might, and maybe Mars too.
June 28, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for June and July
EarthSky's visible planets and night sky guide. Tomorrow's full moon will be low in the sky for northern observers. And don't miss this video of an asteroid!
June 28, 2026
Brightest Stars
Is Zubeneschamali a green star? Pros say no. Sky-watchers say yes.
Professional astronomers can explain to you why stars can’t look green. Yet many stargazers insist that Zubeneschamali proves otherwise.
June 28, 2026
Earth
H5N1 bird flu has now spread to all 7 continents
The H5N1 bird flu has reached Australia, completing its spread to all 7 continents and raising concerns for the nation’s birds, wildlife and livestock.
June 28, 2026
Space
Why do stars twinkle, but planets don’t?
Seen from space, both stars and planets shine steadily, but seen from Earth, stars twinkle while planets (usually) do not. Here’s why.
June 28, 2026
Sun
Sun news: Possible G2 storm due overnight June 29? Aurora alert!
Sun news for June 28, 2026: CME from June 26 targets Earth! G1–G2 storms possible June 30. AR4478 beta-gamma-delta growing. Aurora alert midweek!
June 28, 2026
Today's Image
See Milky Way’s core in most detailed photo yet
ESA released a new image of the Milky Way's core. This view, from the Euclid space telescope, is the largest and most detailed image yet of the galactic center.
June 26, 2026
Human World
Space
Asteroid Day to be observed worldwide on June 30
The annual Asteroid Day program is in Luxembourg on June 26 and 27, 2026. That's ahead of the internationally recognized Asteroid Day June 30.
June 26, 2026
Subscribe now! A daily update with Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Space
View All
Astronomy Essentials
View All
Earth
View All
Human World
View All
