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No more leap seconds! Timekeeping is officially changing

The world’s timekeepers announced on Thursday that leap seconds will no longer be added to clocks starting in May 2027.

October 16, 2026

NASA’s Perseverance rover on Mars sets off-world driving record

The Mars Perseverance rover has set a new distance record on Mars. It has driven 28.10 miles (45.22 km) across the surface of the red planet.

Deborah Byrd

October 13, 2026

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!

Marcy Curran

October 6, 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

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

2026 has 3 Friday the 13ths. What are the odds?

Here’s the story behind why 2026 has 3 Friday the 13ths. They are in February, March and November. The next Friday the 13th trilogy will be in 2037.

Bruce McClure

September 30, 2026

Is there enough water on the moon for future cities?

Is there enough water on the moon for future cities? New estimates say there could be enough for smaller villages or towns, but not larger metropolises.

Paul Scott Anderson

September 25, 2026

Neptune discovered on this date 180 years ago

Read the fascinating story of the discovery of Neptune - 180 years ago - on September 23, 1846. It was the 1st planet to be discovered by using mathematics.

EarthSky Voices

September 23, 2026