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Editors of EarthSky

Can you see a full circle rainbow? All you need to know

It's possible to see the full circle rainbow, but sky conditions have to be just right. They're most often seen by pilots, who have a good view of the sky.

August full moon on August 8-9 is the Sturgeon Moon

The August full moon is the Sturgeon Moon. It takes place overnight on August 8-9, 2025. Then it will lie in front of the constellation Capricornus.

See the Venus-Jupiter conjunction on August 12

A conjunction is when 2 objects share the same right ascension. The Venus-Jupiter conjunction of August 12 is a great one for observation!

August birthstone: Peridot, spinel, or sardonyx

The August birthstone can be crystalline green peridot, colorful spinel, or banded sardonyx. Take your pick of these colorful gemstones, August babies!

What are hole-punch clouds, aka fallstreak holes?

Have you ever seen a fallstreak hole or hole-punch clouds? They're a type of cloud with a flat layer interrupted by a big hole, often with wisps at the center.

Meet Shaula and Lesath, Scorpion’s Stinger stars

Shaula and Lesath, known as the Stinger of the Scorpion, are easy to see at the end of the Tail of the constellation Scorpius.

Scorpius the Scorpion and its legendary stinger

The southernmost constellation of the zodiac is Scorpius the Scorpion. It's easy to spot on July evenings from most of the globe. It has a distinctive J shape.

Mega comet Bernardinelli-Bernstein heading sunward, now belching jets

Astronomers have made new observations of mega comet Bernardinelli-Bernstein. They've found the comet is erupting with jets as it barrels toward the sun.

Soviet spacecraft Kosmos 482 just crashed to Earth

That old, failed Soviet spacecraft - Kosmos 482 - has apparently come back to Earth, likely in the Indian Ocean, according to Roscosmos.

Watch a sungrazing comet’s final death leap

The sungrazing comet appears as a relatively bright and slow-moving dot, heading toward the sun, then suddenly fading away.