We fly between the sun and Saturn on October 4

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We fly between the sun and Saturn on October 4

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.

Editors of EarthSky

October 4, 2026

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.

Kelly Kizer Whitt

October 4, 2026

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.

EarthSky Voices

October 4, 2026

What are the world’s loudest birds? Here are 2 contenders

What are the world's loudest birds? Researchers say the bare-throated bellbird and red-legged seriema are 2 major contenders.

Kelly Kizer Whitt

October 4, 2026

And the Fat Bear Week winner is … Backpack!

Congrats to Backpack, the winner of Fat Bear Week 2026! Take a look at the final brackets and see where your favorite fatties fell.

Kelly Kizer Whitt

October 3, 2026

October birthstone: Colorful opal and tourmaline

Take your pick: the October birthstone is either the striking iridescent opal or the many-colored tourmaline. Learn the lore of these pretty gemstones here.

Editors of EarthSky

October 3, 2026

Is this an alien radio signal from a super-Earth exoplanet?

Did China's FAST radio telescope detect an alien radio signal coming from the super-Earth exoplanet K2-155 d? Probably not.

Paul Scott Anderson

October 2, 2026

Could an Earthlike planet with 2 stars be nearby?

A new astronomical model has found that an Earthlike planet could have a stable and potentially habitable orbit around a star in a nearby 2-star system.

Kelly Kizer Whitt

October 2, 2026