Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Posts by
Editors of EarthSky
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.
July 6, 2025
July birthstone: The rare and precious ruby
The July birthstone, the ruby, is among the most prized of the precious stones. It is one of the hardest gemstones, chemically related to the sapphire.
July 1, 2025
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.
June 27, 2025
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.
June 26, 2025
Asteroid Day to be observed worldwide on June 30
Asteroid Day is celebrated each year on June 30. Events are celebrated in Luxembourg (June 28 to 29) and around the world. Find more info here.
June 26, 2025
Draco the Dragon and Thuban, a former pole star
Let your eyes and imagination drift to see the winding shape of Draco the Dragon. And meet Thuban, a former pole star, between the Big and Little Dippers.
June 26, 2025
Does the North Star ever move in the sky?
The North Star is a symbol for constancy. But a video taken of it overnight reveals that it makes its own little circle around the sky's north pole every day.
June 17, 2025
Earliest sunrises (or sunsets) come before June solstice
If you live in the Northern Hemisphere, your earliest sunrises of the year are happening around now. Southern Hemisphere? Your earliest sunsets are around now.
June 12, 2025
Celebrate World Oceans Day today, June 8, 2025
World Oceans Day is a day to honor our connection to Earth’s oceans and to learn what we can do to protect ocean habitats. Celebrate World Oceans Day on June 8.
June 8, 2025
Constellations and signs: What’s the difference?
What is the difference between signs of the zodiac and constellations of the zodiac? Astronomer Guy Ottewell illustrates and discusses this difference.
June 3, 2025
