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1st Saturn image from Webb highlights glowing rings

Webb has taken its 1st Saturn image! This infrared view shows Saturn's rings shining bright in a golden light. You can also spot some of Saturn's moons.

EarthSky Voices

July 1, 2023

Milky Way shines in new ‘ghost particle’ neutrino image

Scientists released a new "ghost particle" image of the Milky Way. It is the 1st-ever image taken of our home galaxy using neutrinos instead of visible light.

Paul Scott Anderson

June 30, 2023

Found! Long-sought gravitational wave background

Found at last! For the 1st time, researchers using pulsar timing arrays have found evidence for the elusive gravitational wave background.

EarthSky Voices

June 29, 2023

What are gravitational waves? Ripples in spacetime

First postulated by Albert Einstein in 1916 but not observed directly until September 2015, gravitational waves are ripples in spacetime.

Andy Briggs

June 29, 2023

Life’s building blocks found in Orion Nebula

Scientists have found carbon compounds - life's building blocks - in a planet-forming disk, encircling a star in the famous Orion Nebula.

Deborah Byrd

June 29, 2023

Why do stars twinkle, but planets do not?

Seen from space, both stars and planets shine steadily, but seen from Earth, stars twinkle while planets (usually) do not. Here’s why.

Deborah Byrd

June 28, 2023

Is Europa’s habitability limited by slow evolution?

Researchers at ASU say that Europa may have formed slower than thought, with less interior heat. That could affect the habitability of Europa's ocean.

Paul Scott Anderson

June 27, 2023

Geminid meteor mystery solved? It was a collision!

Data from the Parker Solar Probe helped scientists discover that the Geminid meteor shower is most likely the result of a violent event on asteroid Phaethon.

EarthSky Voices

June 25, 2023