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See great pics of Comet R3 PanSTARRS from our community
Comet R3 PanSTARRS is closest to Earth on April 26. See a cool image from a sun-watching spacecraft, and these fantastic community photos.
April 25, 2026
Milky Way season is back! See gorgeous pics here
Enjoy the beauty of our home galaxy in these images from the start of the Milky Way season, thanks to our talented EarthSky community!
April 25, 2026
Leo the Lion and its easy to see backward question mark
Leo the Lion - one of the zodiacal constellations - is a prominent fixture from April through June in the evening sky. It’s easy to spot by finding the Sickle.
April 24, 2026
The Trifid Nebula highlights Hubble’s 36th anniversary
It's the Hubble Space Telescope's 36th anniversary! To celebrate, NASA has released an image of the iconic Trifid Nebula. Watch a video here.
April 24, 2026
What are coronal mass ejections? Big burps of sun-stuff!
Coronal mass ejections (CMEs) are powerful eruptions on the sun that can disrupt electrical systems and produce brilliant auroral displays on Earth.
April 24, 2026
Join the worldwide 2026 City Nature Challenge this weekend!
This weekend, April 24-27, 2026, join the global City Nature Challenge and record the biosphere in your neighborhood to help track real-time change.
April 24, 2026
Milky Way’s ‘ultra-faint dwarf galaxies’ help probe early universe
Ultra-faint dwarf galaxies preserve clues to early-universe conditions, acting as cosmic fossils. Simulations show whether they formed stars or stayed dark.
April 23, 2026
Waves on other planets vary widely, new MIT study suggests
A new study from MIT suggests that waves on other planets should vary greatly. Scientists are looking at the lakes and seas of Saturn's moon Titan for clues.
April 23, 2026
How much water on exoplanets does life need?
Astronomers think water is essential to life as we know it. So how much water on exoplanets does life need? A new study suggests 20-50% of Earth's water.
April 23, 2026
Here’s how to see the Lunar X and V at 1st-quarter moon
Lunar X and Lunar V are optical features on the moon. They are visible through a telescope for several hours around the time of the 1st quarter moon.
April 23, 2026
