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Tonight
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!
April 24, 2024
Astronomy Essentials
Tonight
Visible planets and night sky guide for April
Visible planets and night sky guide for April 2024. The moon is rising and setting later each night. See a daytime moon over your western horizon after sunrise.
Brightest Stars
Sun
Sun news April 24: HIGH activity, with sun-stuff coming
April 24, 2024, sun news. Sun activity continues at a high level. We await the arrival of several CMEs. Could auroras be on their way? Good luck, aurora fans!
April 24, 2024
Brightest Stars
Cor Caroli, named for the heart of a king
Cor Caroli is a binary star and the brightest star in the northern constellation Canes Venatici, the Hunting Dogs. Its name means Heart of Charles.
April 24, 2024
Space
Hurray! Voyager 1 has phoned home with engineering updates
Voyager 1 has again begun sending an intelligible signal back to Earth. Scientists hope they can prompt the craft to resume sending science data.
April 23, 2024
Moon Phases
April full moon – the Pink Moon – falls on April 23
The April 2024 full moon – on April 23 – is the Pink Moon and lies near the star Spica in the constellation Virgo. Find star charts here.
April 23, 2024
Favorite Star Patterns
Spring Triangle in the east at night, heralding the season
As the Northern Hemisphere enters spring, look for the Spring Triangle rising in the east, made up of bright beacons from three prominent constellations.
April 23, 2024
Earth
Antarctic meteorites are sinking in melting ice
Warming temperatures are causing Antarctic meteorites to sink through melting ice. These samples of our solar system are keys to understanding earthly life.
April 22, 2024
Astronomy Essentials
2024 Lyrid meteor shower: All you need to know
Best time to watch the Lyrid meteor shower: before dawn on the morning of April 22. Sure, there's a bright moon out there. But you might see some!
April 21, 2024
Astronomy Essentials
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.
April 21, 2024
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