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Lyrid meteor shower: All you need to know

By Bruce McClure in Astronomy Essentials | 3 hours ago

In 2018, April 22 is the peak morning. The moon, near the 1st quarter phase, is out of the way. Expect 10 to 20 meteors per hour at the peak.

Find the Lyrid meteors’ radiant point

By Deborah Byrd in Astronomy Essentials | 4 hours ago

You don’t need to find the radiant to see the meteors. But it’s fun to spot, near the bright star Vega.

April 21 is Astronomy Day

By Guy Ottewell in Astronomy Essentials | Human World | 4 hours ago

A beautiful chart from astronomer Guy Ottewell, showing the evening sky on Astronomy Day 2018. Plus links to Astronomy Day events and other info.

Latest snow on record for thousands of US locations

By EarthSky Voices in Earth | 21 hours ago

What’s the latest date that measurable snow has fallen in different parts of the United States? Check this interactive map from NOAA to find your record latest snow.

1st quarter moon is April 22

By Deborah Byrd in Moon Phases | 1 day ago

This 1st quarter moon will offer gorgeous telescopic views for those taking part in Astronomy Day. Then it’ll conveniently set, leaving the sky dark for this weekend’s Lyrid meteors.

New study suggests violent origin for Mars’ moons

By Deborah Byrd in Space | 2 days ago

It was thought Mars’ 2 small moons – Phobos and Deimos – might be captured asteroids. But new work suggests a violent birth for the moons during a colossal impact.

TESS planet hunter on its way

By Deborah Byrd in Space | 2 days ago

“It’s the beginning of a new era of exoplanet research.”

What is an exoplanet?

By EarthSky Voices in Space | 2 days ago

Humans have been speculating about their existence for thousands of years, but ours is the 1st generation to know, with certainty, that exoplanets are really out there.

See it! Moon sweeps past Venus

By Eleanor Imster in Space | Today's Image | 3 days ago

Wonderful photos from the EarthSky community of the moon’s sweep this week past the brightest planet, Venus.

Was another civilization on Earth before humans?

By Deborah Byrd in Earth | Human World | 3 days ago

How do we know earlier industrial civilizations on Earth didn’t rise and fall long before humans appeared? That’s the question posed in a new scientific thought experiment.

March 2018 in top 6 warmest on record

By Eleanor Imster in Earth | 3 days ago

Last month wasn’t as hot as March 2016 or March 2017, but it’s in the warmest 6 since modern record-keeping began in 1880.

Green moon on April 20, 2018? Nah

By Deborah Byrd in Human World | Space | 3 days ago

For weeks, people have searched for this post more than any other at EarthSky. No, there won’t be a green moon on April 20, 2018. It’s a joke, y’all, with its roots (ahem) in cannabis culture. :-)

The search for the sun’s lost siblings

By Deborah Byrd in Space | 4 days ago

Our sun’s sibling stars could be scattered across the sky. Astronomers are sifting through newly released data in the GALAH Survey – a galactic archaeology survey – hoping to find them.

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Tonight

Lyrid meteor shower peaks this weekend

1st quarter moon is April 22

Lyrid meteor shower peaks this weekend

Moon in Winter Circle April 19 to 21

Moon and Venus on April 17 to 19

Space

Green moon on April 20, 2018? Nah

New study suggests violent origin for Mars' moons

TESS planet hunter on its way

What is an exoplanet?

See it! Moon sweeps past Venus

Green moon on April 20, 2018? Nah

The search for the sun's lost siblings

Scientists seeking continuous gravitational waves

Asteroid buzzed Earth this weekend

Astro Essentials

Lyrid meteor shower: All you need to know

Lyrid meteor shower: All you need to know

Find the Lyrid meteors' radiant point

April 21 is Astronomy Day

How the moon reveals the sun's mass

Earth

Was another civilization on Earth before humans?

Latest snow on record for thousands of US locations

Was another civilization on Earth before humans?

March 2018 in top 6 warmest on record

Underwater noise pollution stresses aquatic animals

Why rainbows are curved

Top 10 things about brown recluse spiders

Earth's magnetosphere envelops and protects us

Sahara Desert is expanding

Human World

Underwater noise pollution stresses aquatic animals

April 21 is Astronomy Day

Was another civilization on Earth before humans?

Green moon on April 20, 2018? Nah

Underwater noise pollution stresses aquatic animals

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