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Late April 2018 moon and Jupiter
The moon swept past the very bright planet Jupiter in late April, shortly before the giant planet was at its closest and brightest for the year. Gorgeous photos from the EarthSky community, here.
April 30, 2018
Cool video! When humans stalked a giant sloth
Fossil footprints track a prehistoric hunt.
April 29, 2018
Our line of sight to bright planets today
This chart - from astronomer Guy Ottewell in England - shows the paths of the planets in April and May, and sightlines from Earth to them on April 29.
April 29, 2018
Take a virtual tour of 6 exoplanets
The virtual exoplanet tour has a cool 360-degree visual display. Since launching in late 2017, it's had over a million YouTube views. Check it out here.
April 29, 2018
Curious holes in Arctic sea ice
Warming seawater might be the culprit, or seals might have gnawed the holes. For now, the strange circular holes in Arctic sea ice, photographed earlier this month, are mysterious.
April 29, 2018
Moon near Jupiter April 28 to 30
Look up! You'll see a very bright "star" - really the planet Jupiter - near the moon.
April 28, 2018
Unseen siblings for Milky Way’s supermassive black hole?
Our Milky Way galaxy is known to have a supermassive black hole at its heart. Could more supermassive black holes be lurking unseen at our galaxy's outskirts?
April 27, 2018
Sunset at Shell Beach, California
Shell Beach is a neighborhood in the city of Pismo Beach in San Luis Obispo County, California. Photographer Mimi Ditchie caught this image on Earth Day weekend.
April 27, 2018
Will you see Mercury before sunrise?
From the Southern Hemisphere, these next weeks are your best opportunity of 2018 to spot the sun's innermost planet, Mercury. From the Northern Hemisphere ... not so much.
April 27, 2018
