Sun
Sun news: Solar stuff headed our way, aurora watch!
Sun news, October 7, 2026: AR4549's M-class flares sent a halo CME toward Earth, due early October 9. NOAA issued a G2 watch. Dark skies, aurora hunters!
Today's Image
Moon and Jupiter pics here! A cosmic hide-and-seek
On Tuesday morning, the moon slid in front of Jupiter, blocking it from view. Our EarthSky community shared their moon and Jupiter pics.
Astronomy Essentials
Tonight

Visible planets and night sky guide for October

Visible planets and night sky guide. Tomorrow morning, look for the moon near bright Jupiter and the star Regulus before they are too far away!
Space

Solar system’s most bizarre moons! Take the tour

The solar system’s most bizarre moons reveal active, complex worlds that continue to surprise scientists. Are any of them harboring life?
Earth

Hurricane Nolo is now Typhoon Nolo. Where is it going next?

Hurricane Nolo became Typhoon Nolo on October 4, 2026, after crossing the International Date Line. It is slowly churning toward Japan.
Astronomy Essentials

Flashing star in autumn? Here are 3 candidates

Flashing star in October? Discover 3 bright stars that shimmer in red, green and other colors, and find out why they put on this dazzling show.
Astronomy Essentials
Human World

Smart scopes are amazing. Here’s why I love mine

There are many different smart scopes on the market today. They're great for astrophotos. Info here. Plus stunning photos made with smart scopes!
Astronomy Essentials

We fly between the sun and Saturn. At opposition today

Don't miss Saturn at opposition on and around the night of October 4, 2026. That's when our planet Earth passes between the sun and Saturn.
Human World
Space

World Space Week is October 4 to 10. Find events here

World Space Week dates back to 1999 and runs every year from October 4 to 10. This year, the theme is The Rocket Revolution. Find events near you here.
Space

How a helium leak in an exoplanet atmosphere hints at life

A tentative helium detection may offer the 1st glimpse of this exoplanet atmosphere, but we'll need more evidence to know if LHS 1140b could host life.