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Names for days of the week come from the solar system

The names for the days of the week come from the solar system bodies that the ancients could see in the sky. See a breakdown of the days here.

Kelly Kizer Whitt

June 5, 2026

Blue Origin explosion update: Less damage than expected

Blue Origin CEO Dave Limp gave an update on June 1, 2026, about the explosion that occurred during launch of its New Glenn mega-rocket in Florida.

Deborah Byrd

June 4, 2026

June birthstone: Pearl, moonstone or alexandrite

June babies ... it is time to choose your June birthstone: pearl, moonstone or alexandrite. All of them are lovely choices.

Editors of EarthSky

June 2, 2026

BOOM over Massachusetts and U.S. East probably a meteor

Many reported a streak across the daytime sky and a boom over Massachusetts and surrounding areas in the US East, probably a meteor.

Deborah Byrd

May 31, 2026

The 1919 solar eclipse that proved Einstein right

During a May 29, 1919, solar eclipse, astronomers saw the sun bend starlight, proving Einstein's general relativity and catapulting him to rock star fame.

Deborah Byrd

May 29, 2026

2nd batch of Pentagon UAP files: Over 50 videos to watch

The U.S. government has released Part 2 of its Pentagon UAP files. The 2nd release consists of over 50 videos and a few documents. Watch videos here.

Paul Scott Anderson

May 24, 2026

Good news! Here’s where light pollution is getting better

A new global map from NASA shows areas that are seeing a reduction in light pollution. See the maps here and learn how to limit light pollution near you.

Kelly Kizer Whitt

May 24, 2026

John F. Kennedy moon landing speech 65th anniversary

On May 25, 1961, John F. Kennedy addressed the US Congress, inspiring a nation to a moon landing, the Apollo missions, and the dream of a return to the moon.

Deborah Byrd

Lia De La Cruz

May 24, 2026