Earth Day 2024 | EarthSky

Sun news May 17, 2024: Large sunspot regions on both sides of the sun

Sun news for May 17, 2024. A promising new region rotates into view, while the old heroes bombard Mercury and Mars with CMEs.

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Earthquake: Man standing looking at ruins of buildings, with drone flying overhead.

Can earthquakes be triggered by intense weather?

A new study from MIT shows that climate and intense weather events like heavy snowfall and rain helped produce a swarm of earthquakes in Japan starting in 2020.

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Long, brilliant green line of a meteor above a beach, with constellation Orion and bright star Sirius below it.

Meteor shower guide 2024: Up next the Arietids

The daytime Arietids meteor shower will be best before dawn on June 7. You'll have dark skies to watch the Arietids. Your 2024 meteor shower guide here.

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Large, blue and yellow spiral with red patches, dark lanes and foreground stars.

Deep-sky photos for April 2024: Editor’s picks

Enjoy this gallery of deep-sky photos for April 2024 from our EarthSky community. And if you have a great photo to share, send it in. We love to see them!

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Sphere around Earth with equinoxes, solstices, and cross-quarter days marked.

Happy May Day! Today is an astronomy holiday

Happy May Day! This annual celebration has its roots in astronomy as 1 of 4 cross-quarter days. Dancing around a maypole is a traditional May Day celebration.

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Image shows a long rocket blasting off from the ground with plumes of smoke at the base of the launch structure and against a clear blue sky.

List of SpaceX Starlink launches for May 2024

Get a list of all the SpaceX Starlink launches for May 2024 from both the West and East Coasts. Find out how to watch the livestream here.

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Image shows a rocket blasting through a deep blue sky with a jet of orange, yellow, and white propelling it upwards.

List of SpaceX Starlink launches for April 2024

Here's a list of all the SpaceX Starlink launches for April 2024 from both the West and East Coasts. Plus, learn more about Starlink.

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A rock showing many narrow zigzag gray and white stripes.

Oldest evidence of Earth’s magnetic field in Greenland rocks

The oldest signatures of Earth’s magnetic field, from 3.7 billion years ago, were found in rocks from Greenland's Isua Supracrustal Belt region.

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brown frog with stripes green reed dark background

Save the Frogs Day is today, Sunday, April 28

Save the Frogs Day - a global amphibian conservation effort - is today, Sunday, April 28, 2024. Amphibian health is an important marker of ecosystem quality.

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Map of US with areas of green to a smaller area of red showing severe weather centered on Oklahoma.

Tornadoes ravage central US, more expected today

Severe storms with tornadoes caused destruction in the central US on Friday. More severe storms are forecast for the middle of the country for Saturday.

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Bearded man with smart phone taking image of plant with small white flowers.

Join the worldwide 2024 City Nature Challenge this weekend!

This weekend, April 26-29, 2024, join the global City Nature Challenge and record the biosphere in your neighborhood to help track real-time change.

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Bulging white moon in bright blue daytime sky over sunlit orange-red flowers.

Daytime moon is up after sunrise now

Watch for the moon in the morning sky - after sunrise - for a few days after full moon. Look west after the sun comes up!

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Circular panorama with stars, bright moon, and one meteor streak.

Meteors in moonlight: 6 tips for 2024’s Lyrids

Meteors in moonlight. It's not optimal, but it happens! Here's how to minimize the moon and optimize the Lyrid meteor shower in 2024.

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Two sides of Earth from space - Western Hemisphere and Eastern Hemisphere - slightly pixelated.

Why do we celebrate Earth Day on April 22?

April 22 is the date of Earth Day in part because of Arbor Day, an earlier observance. The focus for 2024 is "Planet vs. Plastics."

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A purple and white and orange striped planet.

Is alien life purple? Researchers look beyond Earth’s green

Is alien life purple? Researchers from Cornell University think that as far as alien worlds go, purple may be the new green.

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Large round white hurricane seen from above, with distinct spirals and eye, in Gulf of Mexico with green land areas visible.

2024 Atlantic hurricane outlook and list of names

Colorado State University has released its Atlantic hurricane outlook for the upcoming season. Read more here and get the list of 2024's hurricane names.

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A black-and-white image of a vertical object with two lobes on a black background.

Large asteroid safely passed Earth: See pic here!

Check out the image of the large asteroid 2013 NK4 - which is about 2,000 feet (610 meters) wide - that safely passed Earth on April 15, 2024.

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Image shows the totally eclipsed sun centered on the page with the corona in a yellow hue glowing around the dark moon.

Total solar eclipse pics and video from the EarthSky community

Check out these wonderful total solar eclipse pics and video from our EarthSky community! See our editor's picks that capture the partial and total phases.

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Image shows the sphere of the Earth with the large, brownish shadow of the moon over North America.

Monday’s total solar eclipse from space

Earth-observing satellites captured imagery of the Moon’s shadow as it raced eastward over North America on the April 8, 2024 total solar eclipse.

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Reddish-brown planet with dark spots and huge canyon cutting along the equator.

Mars in 2024: It’s found in the morning sky

Mars is ascending higher in the morning sky each month. Mars will be visible - but dim - before dawn for most of 2024. By the year's end, it'll be noticeable!

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