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.
Today's Image
Morning planets parade, plus the moon and stars!
Have you seen the morning planets parade? The moon joined forces with Venus and Jupiter to put on a great show. Mercury, Uranus and Neptune were there too!
August 22, 2025
Space
An atmosphere on TRAPPIST-1 d? New observations say maybe
Is there an atmosphere on TRAPPIST-1 d? New observations from Webb suggest that if there is, it might be more like Mars or Venus. Or it might not exist at all.
August 22, 2025
Space
Could Ceres have been habitable? New research holds a clue
Could Ceres have been habitable? New research indicates it might have had the energy necessary to support some microbial metabolisms.
August 22, 2025
Astronomy Essentials
Tonight
Visible planets and night sky guide for August
Visible planets and night sky guide. See a video of this week's spectacular display of planets, stars and the moon. Plus, insights on tomorrow's Black Moon.
August 22, 2025
Earth
Sun
Sun news: This sun blast is headed for Mars
Sun news August 22, 2025. A blob of sun stuff (a CME) erupted on the far side of the our star. It's now headed toward the red planet, Mars.
August 22, 2025
Space
5 bright comets approaching Earth. Charts here!
There are 5 bright comets heading toward Earth. The one that will arrive first, Comet Lemmon, might be visible with the unaided eye. Charts here.
August 21, 2025
Space
New moon discovered orbiting inside distant Uranus’ rings
Astronomers have discovered a new moon orbiting Uranus. The newly found moon - the planet's 29th - is just 6 miles wide.
August 21, 2025
Space
Rare quadruple star system could unlock brown dwarf mystery
A quadruple star system consisting of 2 red dwarfs and 2 brown dwarfs offers insight in the mystery of brown dwarfs, also known as failed stars.
August 21, 2025
Earth
Iberian Peninsula wildfires bring smoky skies to Europe
See a satellite view from space showing the Iberian Peninsula wildfires and the smoke that is degrading air quality in the region.
August 21, 2025
Tonight
The return of Sirius in the morning signals seasonal change
A sign of the changing season is the return of Sirius before sunup. Want to make sure you've spotted Sirius? The 3 stars in Orion's Belt point to it.
August 21, 2025
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
